./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/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_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/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_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:41,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:41,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:41,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:41,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:41,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:41,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:41,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:41,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:41,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:41,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:41,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:41,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:41,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:41,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:41,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:41,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:41,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:41,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:41,531 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:41,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:41,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:41,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:41,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:41,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:41,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:41,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:41,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:41,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:41,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:41,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:41,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:41,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:41,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:41,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:41,543 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_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2023-11-21 18:55:41,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:41,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:41,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:41,840 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:41,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:41,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-21 18:55:44,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:45,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:45,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-21 18:55:45,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/data/73fc4edeb/9cb2a1ba74b44a2c952d39abf3d79c9c/FLAGbd7a358bc [2023-11-21 18:55:45,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/data/73fc4edeb/9cb2a1ba74b44a2c952d39abf3d79c9c [2023-11-21 18:55:45,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:45,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:45,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:45,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:45,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:45,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117ea5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45, skipping insertion in model container [2023-11-21 18:55:45,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:45,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:45,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:45,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:45,842 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:45,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45 WrapperNode [2023-11-21 18:55:45,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:45,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:45,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:45,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:45,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,909 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:55:45,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:45,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:45,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:45,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:45,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:45,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:45,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:45,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:45,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:45,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:46,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:46,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5eb97d-bdbf-41dd-b0f7-2b39e93b77a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:55:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:55:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:55:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:55:46,122 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:46,125 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:46,453 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:46,491 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:46,491 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:55:46,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:46 BoogieIcfgContainer [2023-11-21 18:55:46,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:46,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:46,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:46,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:46,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:46" (1/1) ... [2023-11-21 18:55:46,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:55:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:55:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:55:46,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-21 18:55:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-21 18:55:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:55:47,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-21 18:55:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-21 18:55:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:55:47,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:47,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-21 18:55:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-21 18:55:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:55:47,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:47,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-21 18:55:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-21 18:55:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:55:48,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:48,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:48,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:48,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-21 18:55:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-21 18:55:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:55:48,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:48,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:48,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:48,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-21 18:55:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-21 18:55:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:55:48,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:48,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:48,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-21 18:55:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-21 18:55:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:55:49,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:49,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:49,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:55:49,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-21 18:55:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-21 18:55:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:55:49,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-21 18:55:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-21 18:55:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:55:50,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-21 18:55:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-21 18:55:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:50,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:50,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:55:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-21 18:55:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-21 18:55:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:52,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:52,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:55:52,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 96 states and 172 transitions. [2023-11-21 18:55:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 172 transitions. [2023-11-21 18:55:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:54,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:55:54,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 96 states and 169 transitions. [2023-11-21 18:55:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2023-11-21 18:55:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:55:55,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 178 transitions. [2023-11-21 18:55:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2023-11-21 18:55:56,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:55:56,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 105 states and 191 transitions. [2023-11-21 18:55:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 191 transitions. [2023-11-21 18:55:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:55:57,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 106 states and 195 transitions. [2023-11-21 18:55:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2023-11-21 18:55:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:55:57,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 110 states and 204 transitions. [2023-11-21 18:55:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 204 transitions. [2023-11-21 18:55:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:55:58,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:58,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:58,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:55:58,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 116 states and 214 transitions. [2023-11-21 18:56:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 214 transitions. [2023-11-21 18:56:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:00,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:00,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:00,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 214 transitions. [2023-11-21 18:56:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2023-11-21 18:56:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:01,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:01,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:01,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:56:01,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 220 transitions. [2023-11-21 18:56:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 220 transitions. [2023-11-21 18:56:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:02,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:02,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:02,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 216 transitions. [2023-11-21 18:56:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2023-11-21 18:56:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:03,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:03,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:03,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:03,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 129 states and 236 transitions. [2023-11-21 18:56:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2023-11-21 18:56:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:05,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:05,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:05,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:56:05,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:07,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 134 states and 245 transitions. [2023-11-21 18:56:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2023-11-21 18:56:07,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:07,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:07,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:07,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 247 transitions. [2023-11-21 18:56:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2023-11-21 18:56:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:56:08,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:08,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:08,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:08,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 255 transitions. [2023-11-21 18:56:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 255 transitions. [2023-11-21 18:56:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:56:08,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:08,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:08,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:56:08,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 141 states and 266 transitions. [2023-11-21 18:56:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 266 transitions. [2023-11-21 18:56:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:56:09,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:09,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:09,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:09,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 149 states and 287 transitions. [2023-11-21 18:56:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 287 transitions. [2023-11-21 18:56:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:56:10,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:10,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:10,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:10,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2023-11-21 18:56:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2023-11-21 18:56:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:56:11,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:11,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:11,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:11,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:12,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 151 states and 287 transitions. [2023-11-21 18:56:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2023-11-21 18:56:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:12,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:12,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:12,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 157 states and 297 transitions. [2023-11-21 18:56:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 297 transitions. [2023-11-21 18:56:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:14,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:14,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:14,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:14,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 164 states and 315 transitions. [2023-11-21 18:56:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2023-11-21 18:56:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:15,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:15,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:15,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:56:15,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 166 states and 327 transitions. [2023-11-21 18:56:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 327 transitions. [2023-11-21 18:56:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:17,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:17,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:17,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:56:17,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 168 states and 328 transitions. [2023-11-21 18:56:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 328 transitions. [2023-11-21 18:56:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:56:18,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:18,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:18,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:56:18,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 180 states and 353 transitions. [2023-11-21 18:56:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 353 transitions. [2023-11-21 18:56:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:56:22,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:22,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:22,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:56:22,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 186 states and 371 transitions. [2023-11-21 18:56:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 371 transitions. [2023-11-21 18:56:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:56:23,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:23,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:23,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:56:23,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 188 states and 373 transitions. [2023-11-21 18:56:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 373 transitions. [2023-11-21 18:56:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:56:24,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:24,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:24,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:56:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 395 transitions. [2023-11-21 18:56:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 395 transitions. [2023-11-21 18:56:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:56:30,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:30,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:30,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:56:30,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 200 states and 393 transitions. [2023-11-21 18:56:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 393 transitions. [2023-11-21 18:56:32,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:56:32,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:32,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:32,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:56:32,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 200 states and 390 transitions. [2023-11-21 18:56:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 390 transitions. [2023-11-21 18:56:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:56:33,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:33,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:33,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:56:33,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 205 states and 399 transitions. [2023-11-21 18:56:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 399 transitions. [2023-11-21 18:56:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:56:36,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:36,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:56:36,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.