./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/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_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/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_b298b83d-c178-4f70-8dfa-5128887ee8d4/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 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:48,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:48,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:48,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:48,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:48,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:48,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:48,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:48,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:48,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:48,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:48,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:48,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:48,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:48,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:48,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:48,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:48,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:48,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:48,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:48,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:48,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:48,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:48,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:48,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:48,494 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:48,494 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:48,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:48,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:48,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:48,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:48,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:48,498 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:48,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:48,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:48,499 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_b298b83d-c178-4f70-8dfa-5128887ee8d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 [2023-11-21 18:31:48,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:48,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:48,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:48,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:48,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:48,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-21 18:31:51,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:52,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:52,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-21 18:31:52,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/data/7ab37197f/55d85efc401444eb95f279e009763bcb/FLAGa577859c5 [2023-11-21 18:31:52,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/data/7ab37197f/55d85efc401444eb95f279e009763bcb [2023-11-21 18:31:52,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:52,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:52,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:52,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:52,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:52,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10212201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52, skipping insertion in model container [2023-11-21 18:31:52,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:52,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:52,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:52,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:52,460 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:52,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52 WrapperNode [2023-11-21 18:31:52,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:52,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:52,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:52,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:52,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,523 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-21 18:31:52,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:52,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:52,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:52,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:52,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:52,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:52,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:52,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:52,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:52,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:52,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:52,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b298b83d-c178-4f70-8dfa-5128887ee8d4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:52,712 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:52,713 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:52,918 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:52,969 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:52,969 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:52,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:52 BoogieIcfgContainer [2023-11-21 18:31:52,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:52,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:52,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:52,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:52,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:52" (1/1) ... [2023-11-21 18:31:52,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-21 18:31:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-21 18:31:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:31:53,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,251 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 18:31:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2023-11-21 18:31:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2023-11-21 18:31:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:53,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,401 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 18:31:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-21 18:31:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-21 18:31:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:53,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,502 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 18:31:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:31:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:31:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:53,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,660 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 18:31:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2023-11-21 18:31:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2023-11-21 18:31:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:53,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,917 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 18:31:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2023-11-21 18:31:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-11-21 18:31:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:54,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,272 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 18:31:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-21 18:31:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-21 18:31:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:54,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,351 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 18:31:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-21 18:31:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-21 18:31:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:54,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,855 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 18:31:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2023-11-21 18:31:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-11-21 18:31:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:55,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,360 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 18:31:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2023-11-21 18:31:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2023-11-21 18:31:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:31:55,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,941 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 18:31:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 110 transitions. [2023-11-21 18:31:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-21 18:31:56,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:31:56,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,646 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 18:31:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2023-11-21 18:31:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2023-11-21 18:31:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:31:57,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2023-11-21 18:31:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-21 18:31:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:31:57,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-21 18:31:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-21 18:31:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:58,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:58,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:58,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:31:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2023-11-21 18:31:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-21 18:31:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:58,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:58,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:58,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 105 states and 160 transitions. [2023-11-21 18:31:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2023-11-21 18:31:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:59,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:59,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 168 transitions. [2023-11-21 18:32:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2023-11-21 18:32:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:32:00,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:32:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 117 states and 177 transitions. [2023-11-21 18:32:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-21 18:32:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:32:01,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:01,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:01,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 185 transitions. [2023-11-21 18:32:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2023-11-21 18:32:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:32:01,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:01,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:01,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:32:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-11-21 18:32:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-11-21 18:32:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:02,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:02,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:02,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-21 18:32:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-21 18:32:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:03,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 134 states and 206 transitions. [2023-11-21 18:32:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2023-11-21 18:32:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:03,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 212 transitions. [2023-11-21 18:32:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-21 18:32:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:04,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:04,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:32:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-21 18:32:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-21 18:32:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:04,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:04,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2023-11-21 18:32:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2023-11-21 18:32:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:32:06,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:06,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:06,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-11-21 18:32:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-21 18:32:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:32:07,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:32:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 165 states and 259 transitions. [2023-11-21 18:32:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 259 transitions. [2023-11-21 18:32:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:32:08,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:08,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:08,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:08,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 168 states and 267 transitions. [2023-11-21 18:32:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 267 transitions. [2023-11-21 18:32:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:32:08,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:08,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:08,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:32:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 176 states and 277 transitions. [2023-11-21 18:32:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 277 transitions. [2023-11-21 18:32:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:09,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:09,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:09,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 179 states and 282 transitions. [2023-11-21 18:32:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2023-11-21 18:32:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:10,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:10,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:10,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 187 states and 296 transitions. [2023-11-21 18:32:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2023-11-21 18:32:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:11,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:11,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:11,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 190 states and 307 transitions. [2023-11-21 18:32:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 307 transitions. [2023-11-21 18:32:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:32:12,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:12,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:12,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 195 states and 314 transitions. [2023-11-21 18:32:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 314 transitions. [2023-11-21 18:32:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:13,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:13,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:13,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:32:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 202 states and 322 transitions. [2023-11-21 18:32:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 322 transitions. [2023-11-21 18:32:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:14,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:14,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:14,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 210 states and 348 transitions. [2023-11-21 18:32:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 348 transitions. [2023-11-21 18:32:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:32:15,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:15,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:15,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 216 states and 360 transitions. [2023-11-21 18:32:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 360 transitions. [2023-11-21 18:32:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:32:16,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:16,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:16,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:32:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 224 states and 370 transitions. [2023-11-21 18:32:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 370 transitions. [2023-11-21 18:32:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:32:18,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:18,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:18,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 227 states and 378 transitions. [2023-11-21 18:32:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2023-11-21 18:32:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:32:19,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:32:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 235 states and 388 transitions. [2023-11-21 18:32:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 388 transitions. [2023-11-21 18:32:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:32:20,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:20,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:20,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:32:20,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 393 transitions. [2023-11-21 18:32:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2023-11-21 18:32:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:32:21,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:21,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:21,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:32:21,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 241 states and 406 transitions. [2023-11-21 18:32:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 406 transitions. [2023-11-21 18:32:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:32:22,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 250 states and 421 transitions. [2023-11-21 18:32:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 421 transitions. [2023-11-21 18:32:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:32:24,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:24,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:24,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 255 states and 428 transitions. [2023-11-21 18:32:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 428 transitions. [2023-11-21 18:32:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:32:26,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:26,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:26,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:32:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 262 states and 436 transitions. [2023-11-21 18:32:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 436 transitions. [2023-11-21 18:32:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:32:27,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 270 states and 466 transitions. [2023-11-21 18:32:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 466 transitions. [2023-11-21 18:32:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:32:28,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:28,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:28,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 276 states and 478 transitions. [2023-11-21 18:32:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 478 transitions. [2023-11-21 18:32:30,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:32:30,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:30,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:30,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:32:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 284 states and 488 transitions. [2023-11-21 18:32:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 488 transitions. [2023-11-21 18:32:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:32:31,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 287 states and 496 transitions. [2023-11-21 18:32:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 496 transitions. [2023-11-21 18:32:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:32:33,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:33,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:33,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:32:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 295 states and 506 transitions. [2023-11-21 18:32:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 506 transitions. [2023-11-21 18:32:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:34,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:34,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:34,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2023-11-21 18:32:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2023-11-21 18:32:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:32:36,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:36,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:36,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 301 states and 526 transitions. [2023-11-21 18:32:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 526 transitions. [2023-11-21 18:32:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:32:37,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:37,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:37,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:32:37,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 310 states and 541 transitions. [2023-11-21 18:32:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 541 transitions. [2023-11-21 18:32:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:32:40,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:40,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:32:40,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:32:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 315 states and 548 transitions. [2023-11-21 18:32:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 548 transitions. [2023-11-21 18:32:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:32:42,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:42,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:42,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-21 18:32:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 322 states and 556 transitions. [2023-11-21 18:32:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 556 transitions. [2023-11-21 18:32:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:32:43,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.