./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/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_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/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_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/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 e62f050c54efcaebe70ca4fab804a982fed550b56ad5b495e4ea54f0b2b8135b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:50,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:51,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:51,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:51,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:51,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:51,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:51,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:51,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:51,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:51,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:51,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:51,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:51,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:51,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:51,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:51,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:51,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:51,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:51,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:51,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:51,147 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:51,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:51,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:51,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:51,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:51,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:51,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:51,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:51,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:51,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:51,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:51,168 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:51,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:51,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:51,169 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_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e62f050c54efcaebe70ca4fab804a982fed550b56ad5b495e4ea54f0b2b8135b [2023-11-21 18:48:51,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:51,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:51,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:51,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:51,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:51,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c [2023-11-21 18:48:54,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:54,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:54,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c [2023-11-21 18:48:54,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/data/9ee740d44/a31819ab451547dc82b6d79b500d9ac1/FLAG3dc30f6c9 [2023-11-21 18:48:54,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/data/9ee740d44/a31819ab451547dc82b6d79b500d9ac1 [2023-11-21 18:48:54,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:54,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:55,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:55,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:55,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:54" (1/1) ... [2023-11-21 18:48:55,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6007b6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55, skipping insertion in model container [2023-11-21 18:48:55,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:54" (1/1) ... [2023-11-21 18:48:55,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:55,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:55,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,294 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:55,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55 WrapperNode [2023-11-21 18:48:55,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:55,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:55,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,337 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-21 18:48:55,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:55,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:55,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:55,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:55,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:55,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:55,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:55,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadf4932-d1a3-4f51-bb58-2d5688dbe76d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:55,575 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:55,578 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:55,871 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:55,910 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:55,910 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:48:55,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:55 BoogieIcfgContainer [2023-11-21 18:48:55,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:55,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:55,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:55,926 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:55,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-21 18:48:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-21 18:48:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:48:56,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,235 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 18:48:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-21 18:48:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-21 18:48:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:48:56,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:48:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-21 18:48:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-21 18:48:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:48:56,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,568 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 18:48:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-21 18:48:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-21 18:48:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:48:56,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,695 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 18:48:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 70 transitions. [2023-11-21 18:48:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-21 18:48:56,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:48:56,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,872 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 18:48:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 78 transitions. [2023-11-21 18:48:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2023-11-21 18:48:57,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:48:57,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,135 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 18:48:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 79 transitions. [2023-11-21 18:48:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2023-11-21 18:48:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:48:57,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,270 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 18:48:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 77 states and 90 transitions. [2023-11-21 18:48:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-11-21 18:48:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:48:57,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,898 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 18:48:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 85 states and 103 transitions. [2023-11-21 18:48:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2023-11-21 18:48:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:48:58,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,851 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 18:49:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 94 states and 116 transitions. [2023-11-21 18:49:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:49:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:00,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:00,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:00,231 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 18:49:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 101 states and 125 transitions. [2023-11-21 18:49:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2023-11-21 18:49:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:01,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:01,559 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 18:49:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 104 states and 131 transitions. [2023-11-21 18:49:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2023-11-21 18:49:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:01,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 108 states and 139 transitions. [2023-11-21 18:49:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2023-11-21 18:49:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:01,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,073 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 18:49:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 147 transitions. [2023-11-21 18:49:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2023-11-21 18:49:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:02,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,496 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 18:49:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 116 states and 156 transitions. [2023-11-21 18:49:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2023-11-21 18:49:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:49:02,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,843 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 18:49:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 119 states and 160 transitions. [2023-11-21 18:49:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2023-11-21 18:49:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:03,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,447 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 18:49:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 123 states and 165 transitions. [2023-11-21 18:49:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 165 transitions. [2023-11-21 18:49:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:04,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:04,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:04,217 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 18:49:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 122 states and 164 transitions. [2023-11-21 18:49:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 164 transitions. [2023-11-21 18:49:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:04,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:04,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:04,592 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 18:49:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 178 transitions. [2023-11-21 18:49:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2023-11-21 18:49:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:06,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:06,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:06,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:06,085 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 18:49:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 180 transitions. [2023-11-21 18:49:06,633 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2023-11-21 18:49:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:06,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:06,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:06,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:06,741 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 18:49:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 137 states and 192 transitions. [2023-11-21 18:49:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2023-11-21 18:49:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:49:07,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:07,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:49:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 155 states and 219 transitions. [2023-11-21 18:49:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2023-11-21 18:49:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:49:10,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:49:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 158 states and 224 transitions. [2023-11-21 18:49:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 224 transitions. [2023-11-21 18:49:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:11,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,700 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 18:49:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 164 states and 239 transitions. [2023-11-21 18:49:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 239 transitions. [2023-11-21 18:49:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:13,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 168 states and 249 transitions. [2023-11-21 18:49:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 249 transitions. [2023-11-21 18:49:13,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:49:13,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,922 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 18:49:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 188 states and 295 transitions. [2023-11-21 18:49:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 295 transitions. [2023-11-21 18:49:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:49:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:16,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:16,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:16,939 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 18:49:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 194 states and 308 transitions. [2023-11-21 18:49:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 308 transitions. [2023-11-21 18:49:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:18,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:18,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:18,882 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 18:49:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 205 states and 343 transitions. [2023-11-21 18:49:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 343 transitions. [2023-11-21 18:49:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:21,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:21,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 209 states and 349 transitions. [2023-11-21 18:49:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 349 transitions. [2023-11-21 18:49:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:23,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:23,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:23,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 217 states and 366 transitions. [2023-11-21 18:49:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2023-11-21 18:49:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:26,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:26,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 219 states and 368 transitions. [2023-11-21 18:49:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 368 transitions. [2023-11-21 18:49:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:26,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:26,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:26,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 223 states and 374 transitions. [2023-11-21 18:49:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 374 transitions. [2023-11-21 18:49:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:28,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:28,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:28,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:28,777 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 18:49:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 242 states and 403 transitions. [2023-11-21 18:49:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 403 transitions. [2023-11-21 18:49:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:33,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:33,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 250 states and 421 transitions. [2023-11-21 18:49:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 421 transitions. [2023-11-21 18:49:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:38,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 253 states and 424 transitions. [2023-11-21 18:49:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 424 transitions. [2023-11-21 18:49:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:39,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,499 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 18:49:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 255 states and 427 transitions. [2023-11-21 18:49:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2023-11-21 18:49:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:41,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 263 states and 448 transitions. [2023-11-21 18:49:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 448 transitions. [2023-11-21 18:49:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:45,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 264 states and 448 transitions. [2023-11-21 18:49:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 448 transitions. [2023-11-21 18:49:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:46,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 59 states and 65 transitions. [2023-11-21 18:49:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2023-11-21 18:49:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:46,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 55 states and 61 transitions. [2023-11-21 18:49:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2023-11-21 18:49:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:48,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:48,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:48,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.