./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:55:53,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:55:53,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:55:53,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:55:53,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:55:53,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:55:53,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:55:53,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:55:53,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:55:53,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:55:53,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:55:53,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:55:53,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:55:53,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:55:53,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:55:53,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:55:53,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:55:53,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:55:53,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:55:53,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:55:53,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:55:53,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:55:53,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:55:53,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:55:53,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:55:53,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:55:53,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:55:53,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:55:53,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:53,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:55:53,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:55:53,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:55:53,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:55:53,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:55:53,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:55:53,657 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_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2023-11-23 19:55:53,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:55:53,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:55:53,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:55:53,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:55:53,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:55:53,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2023-11-23 19:55:57,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:55:57,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:55:57,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2023-11-23 19:55:57,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/data/f67dc6beb/f317ddd086ab46158796eb66bd1d4ac7/FLAGb3299c503 [2023-11-23 19:55:57,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/data/f67dc6beb/f317ddd086ab46158796eb66bd1d4ac7 [2023-11-23 19:55:57,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:55:57,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:55:57,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:57,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:55:57,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:55:57,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad2eef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57, skipping insertion in model container [2023-11-23 19:55:57,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:55:57,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:57,502 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:55:57,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:57,547 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:55:57,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57 WrapperNode [2023-11-23 19:55:57,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:57,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:57,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:55:57,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:55:57,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,595 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-23 19:55:57,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:57,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:55:57,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:55:57,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:55:57,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:55:57,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:55:57,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:55:57,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:55:57,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:57" (1/1) ... [2023-11-23 19:55:57,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:57,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:55:57,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:55:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb3bd3-262b-44ad-b165-0eefb0c71b14/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:55:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:55:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:55:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:55:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:55:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:55:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:55:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 19:55:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:55:57,801 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:55:57,803 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:55:58,069 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:55:58,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:55:58,154 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 19:55:58,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:55:58 BoogieIcfgContainer [2023-11-23 19:55:58,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:55:58,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:55:58,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:55:58,168 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:55:58,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:55:58" (1/1) ... [2023-11-23 19:55:58,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:55:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2023-11-23 19:55:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-11-23 19:55:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:55:58,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:58,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:58,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-23 19:55:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-23 19:55:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:55:58,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:58,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:58,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:58,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-23 19:55:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-23 19:55:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:55:58,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:58,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:58,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-23 19:55:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-23 19:55:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:55:58,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:58,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:58,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:58,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-23 19:55:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-23 19:55:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:55:59,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-23 19:55:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-23 19:55:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:55:59,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-23 19:55:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-23 19:55:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:55:59,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2023-11-23 19:55:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2023-11-23 19:55:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:55:59,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2023-11-23 19:55:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2023-11-23 19:55:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:55:59,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:55:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2023-11-23 19:55:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2023-11-23 19:55:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:55:59,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 74 states and 131 transitions. [2023-11-23 19:56:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2023-11-23 19:56:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:56:00,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:00,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:00,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2023-11-23 19:56:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2023-11-23 19:56:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:56:00,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:00,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:00,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:00,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2023-11-23 19:56:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2023-11-23 19:56:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:56:00,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:00,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:00,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2023-11-23 19:56:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2023-11-23 19:56:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:56:00,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:00,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:00,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:00,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2023-11-23 19:56:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2023-11-23 19:56:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:00,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:01,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:01,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:01,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 91 states and 184 transitions. [2023-11-23 19:56:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 184 transitions. [2023-11-23 19:56:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:01,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:01,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:01,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 94 states and 193 transitions. [2023-11-23 19:56:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2023-11-23 19:56:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:01,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:01,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:01,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:01,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 97 states and 200 transitions. [2023-11-23 19:56:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 200 transitions. [2023-11-23 19:56:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:01,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:01,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:01,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 99 states and 205 transitions. [2023-11-23 19:56:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 205 transitions. [2023-11-23 19:56:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:02,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:02,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:02,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:56:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 100 states and 207 transitions. [2023-11-23 19:56:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 207 transitions. [2023-11-23 19:56:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:02,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:02,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:02,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 103 states and 216 transitions. [2023-11-23 19:56:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 216 transitions. [2023-11-23 19:56:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:03,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:03,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:03,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 106 states and 223 transitions. [2023-11-23 19:56:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 223 transitions. [2023-11-23 19:56:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:04,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:04,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:04,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:04,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 107 states and 225 transitions. [2023-11-23 19:56:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2023-11-23 19:56:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:04,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:04,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:04,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:04,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 109 states and 226 transitions. [2023-11-23 19:56:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 226 transitions. [2023-11-23 19:56:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:56:04,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:04,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:04,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 113 states and 240 transitions. [2023-11-23 19:56:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 240 transitions. [2023-11-23 19:56:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:56:06,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:06,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:06,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:06,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 115 states and 241 transitions. [2023-11-23 19:56:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 241 transitions. [2023-11-23 19:56:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:56:06,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:06,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:06,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 118 states and 250 transitions. [2023-11-23 19:56:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 250 transitions. [2023-11-23 19:56:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:56:06,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:06,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:06,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 121 states and 253 transitions. [2023-11-23 19:56:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 253 transitions. [2023-11-23 19:56:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:56:07,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:07,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:07,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:07,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 19:56:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 123 states and 254 transitions. [2023-11-23 19:56:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 254 transitions. [2023-11-23 19:56:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:56:07,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:07,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:07,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:07,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 126 states and 257 transitions. [2023-11-23 19:56:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2023-11-23 19:56:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:56:08,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:08,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:08,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:08,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 19:56:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 128 states and 258 transitions. [2023-11-23 19:56:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 258 transitions. [2023-11-23 19:56:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:56:08,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:08,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:08,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 267 transitions. [2023-11-23 19:56:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 267 transitions. [2023-11-23 19:56:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 19:56:08,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:08,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:08,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 134 states and 270 transitions. [2023-11-23 19:56:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2023-11-23 19:56:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 19:56:09,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:09,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:09,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:09,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2023-11-23 19:56:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2023-11-23 19:56:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:09,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:09,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:09,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:09,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 287 transitions. [2023-11-23 19:56:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 287 transitions. [2023-11-23 19:56:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:11,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:11,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:11,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 148 states and 290 transitions. [2023-11-23 19:56:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 290 transitions. [2023-11-23 19:56:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:12,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:12,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:12,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:12,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 150 states and 291 transitions. [2023-11-23 19:56:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2023-11-23 19:56:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:12,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:12,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:12,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 153 states and 301 transitions. [2023-11-23 19:56:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 301 transitions. [2023-11-23 19:56:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:12,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:12,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:12,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:12,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 19:56:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 156 states and 304 transitions. [2023-11-23 19:56:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 304 transitions. [2023-11-23 19:56:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:13,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:13,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:13,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:13,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 19:56:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 158 states and 305 transitions. [2023-11-23 19:56:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 305 transitions. [2023-11-23 19:56:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:13,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:13,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:13,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:13,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 19:56:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 308 transitions. [2023-11-23 19:56:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2023-11-23 19:56:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:13,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:13,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:13,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:13,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 164 states and 311 transitions. [2023-11-23 19:56:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 311 transitions. [2023-11-23 19:56:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:14,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:14,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 19:56:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 166 states and 312 transitions. [2023-11-23 19:56:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 312 transitions. [2023-11-23 19:56:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:14,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:14,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 169 states and 322 transitions. [2023-11-23 19:56:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 322 transitions. [2023-11-23 19:56:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:56:15,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:15,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:15,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:15,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 19:56:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 172 states and 325 transitions. [2023-11-23 19:56:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 325 transitions. [2023-11-23 19:56:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:56:15,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:15,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:15,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 19:56:16,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 174 states and 326 transitions. [2023-11-23 19:56:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 326 transitions. [2023-11-23 19:56:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:56:16,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:16,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:16,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 19:56:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 177 states and 329 transitions. [2023-11-23 19:56:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 329 transitions. [2023-11-23 19:56:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:56:16,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:16,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:16,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 19:56:16,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 180 states and 332 transitions. [2023-11-23 19:56:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 332 transitions. [2023-11-23 19:56:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:56:17,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:17,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:17,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 19:56:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 182 states and 333 transitions. [2023-11-23 19:56:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 333 transitions. [2023-11-23 19:56:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:56:17,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:17,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 19:56:17,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 185 states and 343 transitions. [2023-11-23 19:56:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 343 transitions. [2023-11-23 19:56:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:56:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:18,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:18,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 19:56:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 188 states and 346 transitions. [2023-11-23 19:56:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 346 transitions. [2023-11-23 19:56:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:56:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:18,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:18,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:18,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 19:56:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 190 states and 347 transitions. [2023-11-23 19:56:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 347 transitions. [2023-11-23 19:56:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:56:19,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 19:56:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 193 states and 350 transitions. [2023-11-23 19:56:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 350 transitions. [2023-11-23 19:56:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:56:19,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:20,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 196 states and 353 transitions. [2023-11-23 19:56:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 353 transitions. [2023-11-23 19:56:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:56:20,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 19:56:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 198 states and 354 transitions. [2023-11-23 19:56:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 354 transitions. [2023-11-23 19:56:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:56:20,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:21,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2023-11-23 19:56:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2023-11-23 19:56:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:56:21,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 19:56:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 204 states and 367 transitions. [2023-11-23 19:56:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 367 transitions. [2023-11-23 19:56:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:56:22,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 19:56:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 206 states and 368 transitions. [2023-11-23 19:56:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 368 transitions. [2023-11-23 19:56:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:56:22,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 19:56:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 209 states and 371 transitions. [2023-11-23 19:56:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 371 transitions. [2023-11-23 19:56:22,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:56:22,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 212 states and 374 transitions. [2023-11-23 19:56:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 374 transitions. [2023-11-23 19:56:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:56:23,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:23,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:23,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 19:56:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 214 states and 375 transitions. [2023-11-23 19:56:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 375 transitions. [2023-11-23 19:56:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:56:23,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:23,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 19:56:23,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 217 states and 385 transitions. [2023-11-23 19:56:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 385 transitions. [2023-11-23 19:56:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:56:24,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:24,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:24,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-23 19:56:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 220 states and 388 transitions. [2023-11-23 19:56:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 388 transitions. [2023-11-23 19:56:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:56:25,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 19:56:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 222 states and 389 transitions. [2023-11-23 19:56:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 389 transitions. [2023-11-23 19:56:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:25,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-23 19:56:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:26,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 225 states and 392 transitions. [2023-11-23 19:56:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 392 transitions. [2023-11-23 19:56:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:26,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:26,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:26,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 19:56:26,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 228 states and 395 transitions. [2023-11-23 19:56:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 395 transitions. [2023-11-23 19:56:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:27,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:27,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:27,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:27,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 19:56:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 230 states and 396 transitions. [2023-11-23 19:56:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 396 transitions. [2023-11-23 19:56:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:27,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:27,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 19:56:27,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 233 states and 406 transitions. [2023-11-23 19:56:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 406 transitions. [2023-11-23 19:56:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:28,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:28,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:28,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:28,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 19:56:28,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 236 states and 409 transitions. [2023-11-23 19:56:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 409 transitions. [2023-11-23 19:56:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:28,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:28,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:28,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:28,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 19:56:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 238 states and 410 transitions. [2023-11-23 19:56:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 410 transitions. [2023-11-23 19:56:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:29,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:29,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:29,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 19:56:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 241 states and 413 transitions. [2023-11-23 19:56:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 413 transitions. [2023-11-23 19:56:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:29,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:29,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 19:56:29,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:30,089 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 244 states and 416 transitions. [2023-11-23 19:56:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 416 transitions. [2023-11-23 19:56:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:30,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:30,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:30,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 19:56:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 246 states and 417 transitions. [2023-11-23 19:56:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 417 transitions. [2023-11-23 19:56:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:31,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:31,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:31,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 19:56:31,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 249 states and 427 transitions. [2023-11-23 19:56:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 427 transitions. [2023-11-23 19:56:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:56:32,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:32,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:32,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-23 19:56:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 252 states and 430 transitions. [2023-11-23 19:56:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 430 transitions. [2023-11-23 19:56:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:56:32,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:32,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:32,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 19:56:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 254 states and 431 transitions. [2023-11-23 19:56:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 431 transitions. [2023-11-23 19:56:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:33,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:33,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:33,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:33,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-23 19:56:33,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 257 states and 434 transitions. [2023-11-23 19:56:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 434 transitions. [2023-11-23 19:56:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:33,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:33,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 19:56:33,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 260 states and 437 transitions. [2023-11-23 19:56:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 437 transitions. [2023-11-23 19:56:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:34,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:34,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:34,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 19:56:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 262 states and 438 transitions. [2023-11-23 19:56:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 438 transitions. [2023-11-23 19:56:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:34,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:34,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 19:56:34,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 265 states and 448 transitions. [2023-11-23 19:56:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 448 transitions. [2023-11-23 19:56:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:56:35,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:35,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:35,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 19:56:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2023-11-23 19:56:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2023-11-23 19:56:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:56:36,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:36,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:36,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 19:56:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 270 states and 452 transitions. [2023-11-23 19:56:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 452 transitions. [2023-11-23 19:56:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:37,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 19:56:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 273 states and 455 transitions. [2023-11-23 19:56:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 455 transitions. [2023-11-23 19:56:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:37,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 276 states and 458 transitions. [2023-11-23 19:56:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 458 transitions. [2023-11-23 19:56:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:38,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:38,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:38,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 19:56:38,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:38,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 278 states and 459 transitions. [2023-11-23 19:56:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 459 transitions. [2023-11-23 19:56:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:38,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:38,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:39,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 19:56:39,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 281 states and 469 transitions. [2023-11-23 19:56:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 469 transitions. [2023-11-23 19:56:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 19:56:40,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:40,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-23 19:56:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 284 states and 472 transitions. [2023-11-23 19:56:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 472 transitions. [2023-11-23 19:56:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 19:56:40,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:40,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 19:56:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 286 states and 473 transitions. [2023-11-23 19:56:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 473 transitions. [2023-11-23 19:56:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:41,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:41,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:41,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-23 19:56:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 289 states and 476 transitions. [2023-11-23 19:56:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 476 transitions. [2023-11-23 19:56:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:41,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:41,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 19:56:41,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 292 states and 479 transitions. [2023-11-23 19:56:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 479 transitions. [2023-11-23 19:56:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:42,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:42,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:43,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:43,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 19:56:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 294 states and 480 transitions. [2023-11-23 19:56:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 480 transitions. [2023-11-23 19:56:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:43,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:43,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:43,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 19:56:43,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 297 states and 490 transitions. [2023-11-23 19:56:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 490 transitions. [2023-11-23 19:56:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:56:44,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:44,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:44,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:44,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 19:56:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 300 states and 493 transitions. [2023-11-23 19:56:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 493 transitions. [2023-11-23 19:56:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:56:45,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:45,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:45,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 19:56:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 302 states and 494 transitions. [2023-11-23 19:56:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 494 transitions. [2023-11-23 19:56:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:45,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:45,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:45,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 19:56:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 305 states and 497 transitions. [2023-11-23 19:56:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 497 transitions. [2023-11-23 19:56:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:46,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:46,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:46,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 19:56:46,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:56:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 308 states and 500 transitions. [2023-11-23 19:56:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 500 transitions. [2023-11-23 19:56:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:47,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:47,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:47,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 19:56:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 310 states and 501 transitions. [2023-11-23 19:56:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 501 transitions. [2023-11-23 19:56:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:47,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:47,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 19:56:47,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:48,118 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 313 states and 511 transitions. [2023-11-23 19:56:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 511 transitions. [2023-11-23 19:56:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:56:48,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:48,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:49,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:49,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked.