./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i --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_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/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_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/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_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/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 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:19,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:19,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:34:19,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:19,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:19,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:19,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:19,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:19,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:19,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:19,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:19,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:19,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:34:19,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:19,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:34:19,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:19,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:19,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:19,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:19,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:19,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:19,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:34:19,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:19,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:19,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:19,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:19,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:19,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:19,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:19,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:19,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:19,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:19,323 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:19,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:19,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:19,324 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_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 [2023-11-21 18:34:19,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:19,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:19,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:19,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:19,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:19,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-11-21 18:34:22,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:23,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:23,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-11-21 18:34:23,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/data/612b36916/1b36e2cab83843f9bc7db96ccf6abf5c/FLAGbfc262841 [2023-11-21 18:34:23,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/data/612b36916/1b36e2cab83843f9bc7db96ccf6abf5c [2023-11-21 18:34:23,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:23,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:23,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:23,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:23,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:23,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e32a471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23, skipping insertion in model container [2023-11-21 18:34:23,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:23,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:23,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:23,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:23,443 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:23,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23 WrapperNode [2023-11-21 18:34:23,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:23,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:23,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:23,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:23,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,476 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-21 18:34:23,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:23,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:23,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:23,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:23,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:23,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:23,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:23,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:23,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:23,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:23,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:23,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3170b7bb-14ba-4374-84d4-0db8bcb2a9fa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:34:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:34:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:34:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:34:23,684 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:23,687 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:23,953 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:24,011 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:24,012 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:34:24,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:24 BoogieIcfgContainer [2023-11-21 18:34:24,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:24,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:24,015 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:24,026 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:24,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:24" (1/1) ... [2023-11-21 18:34:24,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-21 18:34:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-21 18:34:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:34:24,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,371 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 18:34:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-21 18:34:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-21 18:34:24,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:24,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,621 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 18:34:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-21 18:34:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:34:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:24,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,767 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 18:34:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-21 18:34:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-21 18:34:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:24,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,077 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 18:34:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-21 18:34:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-21 18:34:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:25,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-21 18:34:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-21 18:34:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:25,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,539 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 18:34:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-21 18:34:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-21 18:34:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:25,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-21 18:34:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-21 18:34:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:34:26,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-21 18:34:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-21 18:34:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:34:26,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-21 18:34:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-21 18:34:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:26,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-21 18:34:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-21 18:34:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:26,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-21 18:34:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-21 18:34:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:34:27,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-21 18:34:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-21 18:34:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:27,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-21 18:34:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-21 18:34:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:27,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-21 18:34:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-21 18:34:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:34:28,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-21 18:34:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-21 18:34:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:28,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-21 18:34:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-21 18:34:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:28,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-21 18:34:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-21 18:34:29,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:34:29,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:29,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-21 18:34:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-21 18:34:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:34:29,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-21 18:34:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-21 18:34:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:29,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-21 18:34:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-21 18:34:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:29,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-21 18:34:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-21 18:34:30,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:30,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-21 18:34:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-21 18:34:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:34:30,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:30,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2023-11-21 18:34:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-11-21 18:34:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:34:31,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-21 18:34:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-21 18:34:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:34:31,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2023-11-21 18:34:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2023-11-21 18:34:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:34:31,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 94 states and 137 transitions. [2023-11-21 18:34:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2023-11-21 18:34:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:34:32,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:32,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 97 states and 140 transitions. [2023-11-21 18:34:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-21 18:34:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:32,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:32,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:32,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2023-11-21 18:34:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2023-11-21 18:34:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:33,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2023-11-21 18:34:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2023-11-21 18:34:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:34:33,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 149 transitions. [2023-11-21 18:34:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-21 18:34:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:33,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2023-11-21 18:34:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-11-21 18:34:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:34,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 110 states and 160 transitions. [2023-11-21 18:34:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2023-11-21 18:34:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:34:35,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:35,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:35,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:34:35,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 118 states and 175 transitions. [2023-11-21 18:34:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2023-11-21 18:34:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:34:37,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 119 states and 183 transitions. [2023-11-21 18:34:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2023-11-21 18:34:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:34:37,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 176 transitions. [2023-11-21 18:34:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2023-11-21 18:34:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:34:38,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2023-11-21 18:34:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2023-11-21 18:34:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:34:39,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:39,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 123 states and 182 transitions. [2023-11-21 18:34:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-21 18:34:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:34:39,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:39,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2023-11-21 18:34:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-21 18:34:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:34:40,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:40,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:40,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:34:40,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2023-11-21 18:34:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-21 18:34:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:34:40,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:40,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2023-11-21 18:34:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2023-11-21 18:34:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:41,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:41,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 194 transitions. [2023-11-21 18:34:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2023-11-21 18:34:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:42,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 133 states and 197 transitions. [2023-11-21 18:34:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 197 transitions. [2023-11-21 18:34:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:34:43,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2023-11-21 18:34:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2023-11-21 18:34:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:34:44,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 142 states and 222 transitions. [2023-11-21 18:34:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 222 transitions. [2023-11-21 18:34:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:45,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 142 states and 213 transitions. [2023-11-21 18:34:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 213 transitions. [2023-11-21 18:34:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:34:46,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:46,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 143 states and 216 transitions. [2023-11-21 18:34:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2023-11-21 18:34:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:34:47,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-21 18:34:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-21 18:34:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:34:47,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 147 states and 230 transitions. [2023-11-21 18:34:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 230 transitions. [2023-11-21 18:34:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:34:48,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:48,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:34:48,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-21 18:34:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-21 18:34:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:34:48,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 150 states and 225 transitions. [2023-11-21 18:34:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2023-11-21 18:34:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:34:50,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2023-11-21 18:34:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2023-11-21 18:34:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:34:51,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 154 states and 231 transitions. [2023-11-21 18:34:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2023-11-21 18:34:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:34:51,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:51,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:34:51,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 15 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 162 states and 245 transitions. [2023-11-21 18:34:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2023-11-21 18:34:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:34:52,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2023-11-21 18:34:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2023-11-21 18:34:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:34:52,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 163 states and 246 transitions. [2023-11-21 18:34:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 246 transitions. [2023-11-21 18:34:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:34:54,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 164 states and 249 transitions. [2023-11-21 18:34:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 249 transitions. [2023-11-21 18:34:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:34:55,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2023-11-21 18:34:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2023-11-21 18:34:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:34:56,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:34:56,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2023-11-21 18:34:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2023-11-21 18:34:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:34:56,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 173 states and 273 transitions. [2023-11-21 18:34:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 273 transitions. [2023-11-21 18:34:56,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:34:56,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 173 states and 261 transitions. [2023-11-21 18:34:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-21 18:34:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:34:58,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 174 states and 264 transitions. [2023-11-21 18:35:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 264 transitions. [2023-11-21 18:35:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:35:00,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 177 states and 267 transitions. [2023-11-21 18:35:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 267 transitions. [2023-11-21 18:35:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:35:00,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:00,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:00,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:35:00,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 180 states and 272 transitions. [2023-11-21 18:35:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 272 transitions. [2023-11-21 18:35:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:35:01,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:01,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:35:01,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 185 states and 280 transitions. [2023-11-21 18:35:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 280 transitions. [2023-11-21 18:35:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:35:02,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:02,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 186 states and 294 transitions. [2023-11-21 18:35:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 294 transitions. [2023-11-21 18:35:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:35:02,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:02,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 186 states and 281 transitions. [2023-11-21 18:35:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2023-11-21 18:35:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:35:04,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 187 states and 284 transitions. [2023-11-21 18:35:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 284 transitions. [2023-11-21 18:35:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:35:05,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:05,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 190 states and 287 transitions. [2023-11-21 18:35:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 287 transitions. [2023-11-21 18:35:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:35:06,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:06,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:35:06,609 INFO L285 TraceCheckSpWp]: Computing forward predicates...