./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:27,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:27,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:01:27,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:27,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:27,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:27,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:27,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:27,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:27,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:27,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:27,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:27,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:01:27,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:27,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:01:27,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:27,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:27,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:27,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:27,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:27,375 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:27,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:01:27,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:27,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:27,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:27,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:27,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:27,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:27,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:27,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:27,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:27,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:27,383 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:27,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:27,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:27,384 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_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2023-11-23 20:01:27,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:27,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:27,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:27,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:27,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:27,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-23 20:01:31,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:31,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:31,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-23 20:01:31,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/data/545707e83/7159c3657e87452e891576037873771e/FLAG5ea546b22 [2023-11-23 20:01:31,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/data/545707e83/7159c3657e87452e891576037873771e [2023-11-23 20:01:31,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:31,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:31,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:31,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:31,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:31,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581eadb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31, skipping insertion in model container [2023-11-23 20:01:31,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:31,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:31,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:31,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:31,820 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:31,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31 WrapperNode [2023-11-23 20:01:31,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:31,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:31,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:31,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:31,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,876 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 20:01:31,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:31,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:31,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:31,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:31,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:31,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:31,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:31,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:31,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:31,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:31,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:32,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0df9a5a5-5a4c-4435-b95d-361ff30dc083/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:01:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:01:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:01:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:01:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:01:32,162 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:32,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:32,725 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:32,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:01:32,796 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:01:32,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:32 BoogieIcfgContainer [2023-11-23 20:01:32,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:01:32,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:01:32,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:01:32,812 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:01:32,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:32" (1/1) ... [2023-11-23 20:01:32,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:01:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-23 20:01:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-23 20:01:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:32,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:32,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:01:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-23 20:01:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-23 20:01:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:33,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-23 20:01:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-23 20:01:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:34,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:01:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-23 20:01:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-23 20:01:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:34,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 144 transitions. [2023-11-23 20:01:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2023-11-23 20:01:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:01:35,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:35,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:35,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 156 transitions. [2023-11-23 20:01:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-11-23 20:01:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:01:36,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:36,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 170 transitions. [2023-11-23 20:01:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-11-23 20:01:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:01:38,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:01:38,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 139 states and 186 transitions. [2023-11-23 20:01:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-23 20:01:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:01:39,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:01:39,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:01:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 140 states and 188 transitions. [2023-11-23 20:01:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2023-11-23 20:01:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:01:39,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:01:40,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:40,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 143 states and 193 transitions. [2023-11-23 20:01:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2023-11-23 20:01:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:01:40,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:01:40,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 142 states and 192 transitions. [2023-11-23 20:01:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2023-11-23 20:01:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:01:40,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:01:40,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 211 transitions. [2023-11-23 20:01:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-11-23 20:01:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:01:42,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:01:42,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 150 states and 210 transitions. [2023-11-23 20:01:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2023-11-23 20:01:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:01:43,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:43,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:43,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 161 states and 233 transitions. [2023-11-23 20:01:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 233 transitions. [2023-11-23 20:01:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:01:46,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:46,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 164 states and 237 transitions. [2023-11-23 20:01:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 237 transitions. [2023-11-23 20:01:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:01:46,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:01:46,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 236 transitions. [2023-11-23 20:01:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 236 transitions. [2023-11-23 20:01:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:01:46,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:46,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 166 states and 240 transitions. [2023-11-23 20:01:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 240 transitions. [2023-11-23 20:01:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:01:47,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:47,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:01:47,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 177 states and 263 transitions. [2023-11-23 20:01:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2023-11-23 20:01:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:01:51,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:51,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:01:51,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:02:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 182 states and 274 transitions. [2023-11-23 20:02:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2023-11-23 20:02:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:02:05,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:05,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:05,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:05,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 185 states and 278 transitions. [2023-11-23 20:02:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 278 transitions. [2023-11-23 20:02:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:02:05,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:05,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:06,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:06,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 198 states and 306 transitions. [2023-11-23 20:02:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 306 transitions. [2023-11-23 20:02:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:02:12,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:12,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:02:12,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 328 transitions. [2023-11-23 20:02:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 328 transitions. [2023-11-23 20:02:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:02:17,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:17,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:02:17,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 213 states and 335 transitions. [2023-11-23 20:02:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 335 transitions. [2023-11-23 20:02:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:02:18,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:18,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:18,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:02:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 212 states and 334 transitions. [2023-11-23 20:02:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 334 transitions. [2023-11-23 20:02:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:02:22,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:22,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:22,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 216 states and 341 transitions. [2023-11-23 20:02:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 341 transitions. [2023-11-23 20:02:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:02:23,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:23,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:02:23,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 220 states and 348 transitions. [2023-11-23 20:02:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 348 transitions. [2023-11-23 20:02:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:02:25,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:25,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:25,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:02:25,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 224 states and 354 transitions. [2023-11-23 20:02:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 354 transitions. [2023-11-23 20:02:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:02:26,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:26,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:26,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:26,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.