./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/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_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/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_68a76da2-b2b4-41be-911c-37b025a2f70a/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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:44,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:44,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:44,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:44,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:44,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:44,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:44,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:44,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:44,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:44,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:44,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:44,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:44,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:44,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:44,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:44,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:44,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:44,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:44,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:44,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:44,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:44,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:44,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:44,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:44,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:44,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:44,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:44,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:44,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:44,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:44,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:44,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:44,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:44,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:44,530 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_68a76da2-b2b4-41be-911c-37b025a2f70a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2023-11-21 18:40:44,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:44,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:44,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:44,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:44,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:44,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-21 18:40:48,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:48,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:48,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-21 18:40:48,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/data/da6620312/0b3f48cc49d14001952387fbb016fd0e/FLAG25f3c7f5d [2023-11-21 18:40:48,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/data/da6620312/0b3f48cc49d14001952387fbb016fd0e [2023-11-21 18:40:48,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:48,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:48,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:48,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:48,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:48,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f14d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48, skipping insertion in model container [2023-11-21 18:40:48,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:48,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:48,796 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:48,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:48,848 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:48,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48 WrapperNode [2023-11-21 18:40:48,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:48,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:48,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:48,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:48,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,892 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-21 18:40:48,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:48,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:48,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:48,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:48,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:48,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:48,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:48,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:48,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:48" (1/1) ... [2023-11-21 18:40:48,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:48,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:48,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:49,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a76da2-b2b4-41be-911c-37b025a2f70a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:40:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:40:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:49,126 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:49,129 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:49,658 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:49,715 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:49,715 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:40:49,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:49 BoogieIcfgContainer [2023-11-21 18:40:49,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:49,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:49,719 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:49,733 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:49,733 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:49" (1/1) ... [2023-11-21 18:40:49,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-21 18:40:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-21 18:40:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:49,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-21 18:40:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-21 18:40:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:50,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-21 18:40:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-21 18:40:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:50,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-21 18:40:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-21 18:40:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:50,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-21 18:40:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-21 18:40:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:50,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-21 18:40:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-21 18:40:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:51,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-21 18:40:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-21 18:40:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:52,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-21 18:40:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-21 18:40:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:52,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:52,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:52,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-21 18:40:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-21 18:40:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:53,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-21 18:40:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-21 18:40:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:54,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-21 18:40:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-21 18:40:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:54,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-21 18:40:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-21 18:40:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:55,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-21 18:40:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-21 18:40:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:56,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,270 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 18:40:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 176 states and 221 transitions. [2023-11-21 18:40:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-21 18:40:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:56,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 188 states and 243 transitions. [2023-11-21 18:40:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 243 transitions. [2023-11-21 18:40:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:58,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 195 states and 256 transitions. [2023-11-21 18:40:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2023-11-21 18:40:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:58,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,085 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 18:40:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 200 states and 263 transitions. [2023-11-21 18:40:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2023-11-21 18:40:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:59,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:59,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 201 states and 264 transitions. [2023-11-21 18:40:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2023-11-21 18:40:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:59,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:59,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 202 states and 265 transitions. [2023-11-21 18:40:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2023-11-21 18:40:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:59,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,941 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 18:41:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 205 states and 270 transitions. [2023-11-21 18:41:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2023-11-21 18:41:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:00,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:00,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:00,964 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 18:41:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 208 states and 273 transitions. [2023-11-21 18:41:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions. [2023-11-21 18:41:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:01,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:01,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:01,747 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 18:41:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 217 states and 288 transitions. [2023-11-21 18:41:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2023-11-21 18:41:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:03,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:03,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:03,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:03,618 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 18:41:04,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 218 states and 289 transitions. [2023-11-21 18:41:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2023-11-21 18:41:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:04,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:04,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:04,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:04,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:04,338 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 18:41:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 228 states and 305 transitions. [2023-11-21 18:41:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 305 transitions. [2023-11-21 18:41:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:06,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,555 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 18:41:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 233 states and 315 transitions. [2023-11-21 18:41:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 315 transitions. [2023-11-21 18:41:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:07,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,885 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 18:41:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 235 states and 316 transitions. [2023-11-21 18:41:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 316 transitions. [2023-11-21 18:41:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:08,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:08,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:08,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:08,770 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 18:41:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 251 states and 342 transitions. [2023-11-21 18:41:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 342 transitions. [2023-11-21 18:41:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:12,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:12,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:12,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:12,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:12,797 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 18:41:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 262 states and 359 transitions. [2023-11-21 18:41:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2023-11-21 18:41:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:15,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:15,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,251 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 18:41:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 278 states and 391 transitions. [2023-11-21 18:41:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 391 transitions. [2023-11-21 18:41:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:22,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,874 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 18:41:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 295 states and 420 transitions. [2023-11-21 18:41:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 420 transitions. [2023-11-21 18:41:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:28,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:28,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:28,769 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 18:41:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 296 states and 421 transitions. [2023-11-21 18:41:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2023-11-21 18:41:28,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:28,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,032 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 18:41:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 303 states and 436 transitions. [2023-11-21 18:41:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 436 transitions. [2023-11-21 18:41:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:32,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,966 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 18:41:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 315 states and 450 transitions. [2023-11-21 18:41:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 450 transitions. [2023-11-21 18:41:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:36,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:36,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:36,647 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 18:41:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 328 states and 473 transitions. [2023-11-21 18:41:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 473 transitions. [2023-11-21 18:41:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:42,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 329 states and 479 transitions. [2023-11-21 18:41:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 479 transitions. [2023-11-21 18:41:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:42,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:41:42,225 INFO L285 TraceCheckSpWp]: Computing forward predicates...