./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2 --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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:07,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:07,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:07,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:07,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:07,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:07,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:07,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:07,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:07,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:07,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:07,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:07,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:07,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:07,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:07,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:07,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:07,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:07,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:07,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:07,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:07,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:07,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:07,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:07,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:07,443 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:07,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:07,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:07,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:07,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:07,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:07,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:07,448 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:07,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:07,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:07,450 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_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2023-11-21 18:40:07,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:07,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:07,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:07,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:07,795 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:07,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-21 18:40:11,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:11,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:11,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-21 18:40:11,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/data/17c332338/965277beb8264b9f84fbba29fb6e8f30/FLAGfd4c5a1b7 [2023-11-21 18:40:11,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/data/17c332338/965277beb8264b9f84fbba29fb6e8f30 [2023-11-21 18:40:11,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:11,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:11,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:11,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:11,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:11,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:11" (1/1) ... [2023-11-21 18:40:11,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d85273d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:11, skipping insertion in model container [2023-11-21 18:40:11,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:11" (1/1) ... [2023-11-21 18:40:11,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:12,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:12,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:12,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:12,146 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:12,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12 WrapperNode [2023-11-21 18:40:12,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:12,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:12,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:12,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:12,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,211 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-21 18:40:12,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:12,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:12,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:12,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:12,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:12,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:12,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:12,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:12,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:12" (1/1) ... [2023-11-21 18:40:12,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:12,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:12,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f74b52-f761-4df0-8008-9aa9e16500f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:12,443 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:12,446 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:13,028 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:13,084 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:13,085 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:13,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:13 BoogieIcfgContainer [2023-11-21 18:40:13,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:13,089 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:13,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:13,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:13,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:13" (1/1) ... [2023-11-21 18:40:13,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-21 18:40:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-21 18:40:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:13,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2023-11-21 18:40:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-11-21 18:40:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:13,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2023-11-21 18:40:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2023-11-21 18:40:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:13,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:13,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 143 states and 150 transitions. [2023-11-21 18:40:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2023-11-21 18:40:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:14,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:14,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-11-21 18:40:14,359 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-11-21 18:40:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:14,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2023-11-21 18:40:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2023-11-21 18:40:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:14,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-11-21 18:40:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-11-21 18:40:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:14,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:14,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 152 states and 164 transitions. [2023-11-21 18:40:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2023-11-21 18:40:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 153 states and 165 transitions. [2023-11-21 18:40:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-21 18:40:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:15,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 154 states and 166 transitions. [2023-11-21 18:40:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2023-11-21 18:40:15,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:15,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 153 states and 165 transitions. [2023-11-21 18:40:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-21 18:40:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:15,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 155 states and 167 transitions. [2023-11-21 18:40:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2023-11-21 18:40:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:15,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 162 states and 176 transitions. [2023-11-21 18:40:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-21 18:40:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:15,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 170 states and 185 transitions. [2023-11-21 18:40:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 185 transitions. [2023-11-21 18:40:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:16,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 171 states and 187 transitions. [2023-11-21 18:40:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 187 transitions. [2023-11-21 18:40:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:16,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 173 states and 190 transitions. [2023-11-21 18:40:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2023-11-21 18:40:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:16,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 172 states and 189 transitions. [2023-11-21 18:40:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2023-11-21 18:40:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:16,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 175 states and 192 transitions. [2023-11-21 18:40:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2023-11-21 18:40:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 176 states and 193 transitions. [2023-11-21 18:40:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2023-11-21 18:40:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:17,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 177 states and 194 transitions. [2023-11-21 18:40:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2023-11-21 18:40:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:17,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 185 states and 202 transitions. [2023-11-21 18:40:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2023-11-21 18:40:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:17,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 193 states and 211 transitions. [2023-11-21 18:40:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 211 transitions. [2023-11-21 18:40:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:17,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 192 states and 210 transitions. [2023-11-21 18:40:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2023-11-21 18:40:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:18,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 194 states and 212 transitions. [2023-11-21 18:40:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 212 transitions. [2023-11-21 18:40:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:40:18,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 198 states and 217 transitions. [2023-11-21 18:40:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 217 transitions. [2023-11-21 18:40:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:18,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 202 states and 222 transitions. [2023-11-21 18:40:18,825 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 222 transitions. [2023-11-21 18:40:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:18,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 205 states and 230 transitions. [2023-11-21 18:40:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 230 transitions. [2023-11-21 18:40:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:18,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 234 states and 267 transitions. [2023-11-21 18:40:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 267 transitions. [2023-11-21 18:40:20,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:20,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 235 states and 268 transitions. [2023-11-21 18:40:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 268 transitions. [2023-11-21 18:40:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:20,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 265 states and 306 transitions. [2023-11-21 18:40:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 306 transitions. [2023-11-21 18:40:21,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:21,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:21,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:21,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 264 states and 305 transitions. [2023-11-21 18:40:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 305 transitions. [2023-11-21 18:40:21,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:21,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:21,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:21,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:21,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 267 states and 311 transitions. [2023-11-21 18:40:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 311 transitions. [2023-11-21 18:40:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:22,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:22,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:22,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:22,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 269 states and 313 transitions. [2023-11-21 18:40:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 313 transitions. [2023-11-21 18:40:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:22,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:22,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:22,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 273 states and 320 transitions. [2023-11-21 18:40:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2023-11-21 18:40:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:23,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2023-11-21 18:40:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2023-11-21 18:40:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:23,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2023-11-21 18:40:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2023-11-21 18:40:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:23,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2023-11-21 18:40:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2023-11-21 18:40:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:23,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 282 states and 331 transitions. [2023-11-21 18:40:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 331 transitions. [2023-11-21 18:40:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:24,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 285 states and 334 transitions. [2023-11-21 18:40:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 334 transitions. [2023-11-21 18:40:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:25,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 286 states and 336 transitions. [2023-11-21 18:40:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 336 transitions. [2023-11-21 18:40:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:40:25,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 294 states and 348 transitions. [2023-11-21 18:40:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 348 transitions. [2023-11-21 18:40:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:40:26,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 302 states and 360 transitions. [2023-11-21 18:40:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2023-11-21 18:40:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:40:27,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 311 states and 373 transitions. [2023-11-21 18:40:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 373 transitions. [2023-11-21 18:40:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:40:28,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 320 states and 389 transitions. [2023-11-21 18:40:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2023-11-21 18:40:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:40:30,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 319 states and 388 transitions. [2023-11-21 18:40:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 388 transitions. [2023-11-21 18:40:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:40:30,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 324 states and 394 transitions. [2023-11-21 18:40:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 394 transitions. [2023-11-21 18:40:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:40:31,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:31,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 363 states and 459 transitions. [2023-11-21 18:40:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 459 transitions. [2023-11-21 18:40:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:40:35,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:41,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:40:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 369 states and 468 transitions. [2023-11-21 18:40:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 468 transitions. [2023-11-21 18:40:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:40:42,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 408 states and 535 transitions. [2023-11-21 18:40:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 535 transitions. [2023-11-21 18:40:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:40:46,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 415 states and 547 transitions. [2023-11-21 18:40:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 547 transitions. [2023-11-21 18:40:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:40:48,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 414 states and 546 transitions. [2023-11-21 18:40:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 546 transitions. [2023-11-21 18:40:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:40:48,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 422 states and 561 transitions. [2023-11-21 18:40:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 561 transitions. [2023-11-21 18:40:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:40:50,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 425 states and 566 transitions. [2023-11-21 18:40:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 566 transitions. [2023-11-21 18:40:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:40:51,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 462 states and 630 transitions. [2023-11-21 18:40:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 630 transitions. [2023-11-21 18:40:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:40:54,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 465 states and 634 transitions. [2023-11-21 18:40:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 634 transitions. [2023-11-21 18:40:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:40:55,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 474 states and 650 transitions. [2023-11-21 18:40:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 650 transitions. [2023-11-21 18:40:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:40:58,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.