./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi --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 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:09,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:09,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:51:09,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:09,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:09,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:09,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:09,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:09,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:09,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:09,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:09,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:09,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:09,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:09,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:09,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:09,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:09,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:09,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:09,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:09,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:09,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:09,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:09,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:09,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:09,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:09,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:09,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:09,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:09,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:09,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:09,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:09,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:09,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:09,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:09,336 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_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc [2023-11-24 22:51:09,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:09,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:09,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:09,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:09,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:09,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2023-11-24 22:51:12,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:13,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:13,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2023-11-24 22:51:13,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/data/b8efa8794/e10e42c184fb413f90a4b50c21e60b80/FLAG4ecfa64e0 [2023-11-24 22:51:13,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/data/b8efa8794/e10e42c184fb413f90a4b50c21e60b80 [2023-11-24 22:51:13,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:13,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:13,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:13,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:13,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:13,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2534fe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13, skipping insertion in model container [2023-11-24 22:51:13,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:13,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:13,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:13,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:13,428 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:13,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13 WrapperNode [2023-11-24 22:51:13,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:13,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:13,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:13,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:13,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,492 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2023-11-24 22:51:13,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:13,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:13,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:13,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:13,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:13,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:13,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:13,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:13,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:13,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:13,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f18842-395b-47c7-a99f-d7bebfee7077/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:51:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:51:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:51:13,713 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:13,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:14,466 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:14,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:14,545 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:14,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:14 BoogieIcfgContainer [2023-11-24 22:51:14,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:14,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:14,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:14,561 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:14,562 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 183 states and 187 transitions. [2023-11-24 22:51:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 187 transitions. [2023-11-24 22:51:14,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:14,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:14,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 185 states and 189 transitions. [2023-11-24 22:51:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 189 transitions. [2023-11-24 22:51:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:51:15,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 186 states and 190 transitions. [2023-11-24 22:51:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2023-11-24 22:51:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:15,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 185 states and 189 transitions. [2023-11-24 22:51:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 189 transitions. [2023-11-24 22:51:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:51:15,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 187 states and 191 transitions. [2023-11-24 22:51:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2023-11-24 22:51:15,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:15,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 188 states and 192 transitions. [2023-11-24 22:51:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 192 transitions. [2023-11-24 22:51:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:15,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 189 states and 193 transitions. [2023-11-24 22:51:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2023-11-24 22:51:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:15,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 188 states and 192 transitions. [2023-11-24 22:51:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 192 transitions. [2023-11-24 22:51:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:15,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 190 states and 194 transitions. [2023-11-24 22:51:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 194 transitions. [2023-11-24 22:51:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:15,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 191 states and 195 transitions. [2023-11-24 22:51:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2023-11-24 22:51:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:51:15,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 192 states and 196 transitions. [2023-11-24 22:51:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 196 transitions. [2023-11-24 22:51:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:51:15,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2023-11-24 22:51:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2023-11-24 22:51:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:15,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 195 states and 200 transitions. [2023-11-24 22:51:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2023-11-24 22:51:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:51:15,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 194 states and 199 transitions. [2023-11-24 22:51:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 199 transitions. [2023-11-24 22:51:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 197 states and 202 transitions. [2023-11-24 22:51:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 202 transitions. [2023-11-24 22:51:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:51:16,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 198 states and 203 transitions. [2023-11-24 22:51:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 203 transitions. [2023-11-24 22:51:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:16,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 199 states and 204 transitions. [2023-11-24 22:51:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 204 transitions. [2023-11-24 22:51:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:51:16,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 198 states and 203 transitions. [2023-11-24 22:51:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 203 transitions. [2023-11-24 22:51:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:16,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 200 states and 205 transitions. [2023-11-24 22:51:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 205 transitions. [2023-11-24 22:51:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:51:16,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 201 states and 206 transitions. [2023-11-24 22:51:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 206 transitions. [2023-11-24 22:51:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:51:16,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 202 states and 207 transitions. [2023-11-24 22:51:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2023-11-24 22:51:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:51:16,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 203 states and 209 transitions. [2023-11-24 22:51:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 209 transitions. [2023-11-24 22:51:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:51:16,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 202 states and 208 transitions. [2023-11-24 22:51:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 208 transitions. [2023-11-24 22:51:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:51:16,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 201 states and 207 transitions. [2023-11-24 22:51:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 207 transitions. [2023-11-24 22:51:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:51:16,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 205 states and 212 transitions. [2023-11-24 22:51:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 212 transitions. [2023-11-24 22:51:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:51:17,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 210 states and 219 transitions. [2023-11-24 22:51:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 219 transitions. [2023-11-24 22:51:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:51:17,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 212 states and 221 transitions. [2023-11-24 22:51:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 221 transitions. [2023-11-24 22:51:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:51:17,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 219 states and 229 transitions. [2023-11-24 22:51:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 229 transitions. [2023-11-24 22:51:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:51:18,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:18,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 227 states and 237 transitions. [2023-11-24 22:51:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 237 transitions. [2023-11-24 22:51:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:51:18,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:18,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 257 states and 269 transitions. [2023-11-24 22:51:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 269 transitions. [2023-11-24 22:51:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:51:18,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:18,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 288 states and 302 transitions. [2023-11-24 22:51:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 302 transitions. [2023-11-24 22:51:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:51:19,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:19,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:19,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:19,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 291 states and 307 transitions. [2023-11-24 22:51:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 307 transitions. [2023-11-24 22:51:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:51:19,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:19,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:20,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 294 states and 311 transitions. [2023-11-24 22:51:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 311 transitions. [2023-11-24 22:51:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:51:20,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:20,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 299 states and 318 transitions. [2023-11-24 22:51:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 318 transitions. [2023-11-24 22:51:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:51:21,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:21,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 305 states and 325 transitions. [2023-11-24 22:51:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 325 transitions. [2023-11-24 22:51:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:51:22,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:22,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:22,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:22,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:23,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 308 states and 330 transitions. [2023-11-24 22:51:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 330 transitions. [2023-11-24 22:51:23,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:51:23,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:23,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:23,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:23,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 346 states and 374 transitions. [2023-11-24 22:51:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 374 transitions. [2023-11-24 22:51:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:51:23,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:23,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:23,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 350 states and 381 transitions. [2023-11-24 22:51:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 381 transitions. [2023-11-24 22:51:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:51:24,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:24,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 389 states and 427 transitions. [2023-11-24 22:51:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 427 transitions. [2023-11-24 22:51:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:51:25,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:25,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 388 states and 426 transitions. [2023-11-24 22:51:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 426 transitions. [2023-11-24 22:51:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:51:25,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:25,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 391 states and 431 transitions. [2023-11-24 22:51:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 431 transitions. [2023-11-24 22:51:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:51:25,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:26,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:26,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 397 states and 441 transitions. [2023-11-24 22:51:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 441 transitions. [2023-11-24 22:51:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:51:26,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:26,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:26,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 401 states and 447 transitions. [2023-11-24 22:51:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 447 transitions. [2023-11-24 22:51:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:51:27,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:27,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:27,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 408 states and 458 transitions. [2023-11-24 22:51:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 458 transitions. [2023-11-24 22:51:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:51:28,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:28,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:28,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:28,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 407 states and 457 transitions. [2023-11-24 22:51:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 457 transitions. [2023-11-24 22:51:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:51:28,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:28,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:28,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 415 states and 469 transitions. [2023-11-24 22:51:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 469 transitions. [2023-11-24 22:51:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:51:29,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:29,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:29,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 424 states and 484 transitions. [2023-11-24 22:51:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 484 transitions. [2023-11-24 22:51:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:51:30,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:30,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 423 states and 483 transitions. [2023-11-24 22:51:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 483 transitions. [2023-11-24 22:51:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:51:30,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:30,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 424 states and 485 transitions. [2023-11-24 22:51:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 485 transitions. [2023-11-24 22:51:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:51:30,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:30,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 432 states and 495 transitions. [2023-11-24 22:51:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 495 transitions. [2023-11-24 22:51:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:51:31,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:31,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:31,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:32,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 434 states and 497 transitions. [2023-11-24 22:51:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 497 transitions. [2023-11-24 22:51:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:51:32,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:32,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:32,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:32,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 443 states and 508 transitions. [2023-11-24 22:51:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 508 transitions. [2023-11-24 22:51:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:51:32,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:32,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:32,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 442 states and 507 transitions. [2023-11-24 22:51:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 507 transitions. [2023-11-24 22:51:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:51:32,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:33,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:33,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 452 states and 519 transitions. [2023-11-24 22:51:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 519 transitions. [2023-11-24 22:51:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:51:33,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:33,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:33,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 455 states and 522 transitions. [2023-11-24 22:51:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 522 transitions. [2023-11-24 22:51:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:51:33,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:34,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:34,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 454 states and 521 transitions. [2023-11-24 22:51:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 521 transitions. [2023-11-24 22:51:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:51:34,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:34,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:34,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 467 states and 539 transitions. [2023-11-24 22:51:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 539 transitions. [2023-11-24 22:51:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:51:35,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:35,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:35,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:35,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 466 states and 538 transitions. [2023-11-24 22:51:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 538 transitions. [2023-11-24 22:51:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:51:35,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:35,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:35,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 481 states and 559 transitions. [2023-11-24 22:51:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 559 transitions. [2023-11-24 22:51:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:51:36,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:36,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:36,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 480 states and 558 transitions. [2023-11-24 22:51:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 558 transitions. [2023-11-24 22:51:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:51:36,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:36,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:36,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 479 states and 557 transitions. [2023-11-24 22:51:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 557 transitions. [2023-11-24 22:51:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:51:37,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:37,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:37,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:37,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 483 states and 564 transitions. [2023-11-24 22:51:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 564 transitions. [2023-11-24 22:51:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:51:37,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:37,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:37,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:37,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 482 states and 563 transitions. [2023-11-24 22:51:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 563 transitions. [2023-11-24 22:51:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:51:38,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:38,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:38,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 487 states and 570 transitions. [2023-11-24 22:51:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 570 transitions. [2023-11-24 22:51:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:51:39,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:39,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:39,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 486 states and 569 transitions. [2023-11-24 22:51:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 569 transitions. [2023-11-24 22:51:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:51:39,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:39,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:39,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 485 states and 568 transitions. [2023-11-24 22:51:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 568 transitions. [2023-11-24 22:51:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:51:39,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:39,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:39,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 488 states and 571 transitions. [2023-11-24 22:51:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2023-11-24 22:51:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:51:39,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:40,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:40,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 487 states and 570 transitions. [2023-11-24 22:51:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 570 transitions. [2023-11-24 22:51:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:51:41,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:41,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:41,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 488 states and 572 transitions. [2023-11-24 22:51:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-24 22:51:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:51:41,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:41,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:41,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:41,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 487 states and 571 transitions. [2023-11-24 22:51:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 571 transitions. [2023-11-24 22:51:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:51:42,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:42,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:42,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 489 states and 573 transitions. [2023-11-24 22:51:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 573 transitions. [2023-11-24 22:51:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:51:43,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:43,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 488 states and 572 transitions. [2023-11-24 22:51:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-24 22:51:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:51:43,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:43,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 487 states and 571 transitions. [2023-11-24 22:51:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 571 transitions. [2023-11-24 22:51:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:51:44,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:44,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 490 states and 574 transitions. [2023-11-24 22:51:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 574 transitions. [2023-11-24 22:51:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:51:44,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:44,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 489 states and 573 transitions. [2023-11-24 22:51:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 573 transitions. [2023-11-24 22:51:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:51:44,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:44,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 490 states and 575 transitions. [2023-11-24 22:51:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 575 transitions. [2023-11-24 22:51:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:51:45,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:45,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 489 states and 574 transitions. [2023-11-24 22:51:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2023-11-24 22:51:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:51:45,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:45,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 491 states and 576 transitions. [2023-11-24 22:51:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 576 transitions. [2023-11-24 22:51:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:51:45,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:45,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 490 states and 575 transitions. [2023-11-24 22:51:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 575 transitions. [2023-11-24 22:51:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:51:46,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:46,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 491 states and 575 transitions. [2023-11-24 22:51:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 575 transitions. [2023-11-24 22:51:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:51:46,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 490 states and 574 transitions. [2023-11-24 22:51:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 574 transitions. [2023-11-24 22:51:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:51:47,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:47,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:47,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:47,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 492 states and 576 transitions. [2023-11-24 22:51:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 576 transitions. [2023-11-24 22:51:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:51:48,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:48,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:48,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 491 states and 575 transitions. [2023-11-24 22:51:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 575 transitions. [2023-11-24 22:51:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:51:48,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:48,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:49,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:49,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 490 states and 574 transitions. [2023-11-24 22:51:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 574 transitions. [2023-11-24 22:51:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:51:50,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:50,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:50,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:50,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 492 states and 576 transitions. [2023-11-24 22:51:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 576 transitions. [2023-11-24 22:51:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:51:50,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:50,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:50,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:50,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 491 states and 575 transitions. [2023-11-24 22:51:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 575 transitions. [2023-11-24 22:51:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:51:51,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:51,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:51,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 492 states and 577 transitions. [2023-11-24 22:51:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 577 transitions. [2023-11-24 22:51:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:51:52,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:52,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:52,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:52,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 521 states and 609 transitions. [2023-11-24 22:51:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 609 transitions. [2023-11-24 22:51:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:51:53,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:53,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:53,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 523 states and 611 transitions. [2023-11-24 22:51:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 611 transitions. [2023-11-24 22:51:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:51:54,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:54,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:54,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 553 states and 644 transitions. [2023-11-24 22:51:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 644 transitions. [2023-11-24 22:51:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:51:56,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:56,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:56,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 584 states and 677 transitions. [2023-11-24 22:52:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 677 transitions. [2023-11-24 22:52:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:52:02,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:02,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:02,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:52:02,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 587 states and 680 transitions. [2023-11-24 22:52:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 680 transitions. [2023-11-24 22:52:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:52:02,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:02,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:52:02,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.