./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.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_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/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_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/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_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/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 deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:52,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:52,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:52,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:52,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:52,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:52,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:52,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:52,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:52,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:52,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:52,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:52,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:52,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:52,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:52,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:52,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:52,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:52,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:52,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:52,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:52,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:52,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:52,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:52,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:52,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:52,888 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:52,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:52,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:52,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:52,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:52,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:52,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:52,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:52,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:52,893 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_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 [2023-11-21 18:36:53,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:53,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:53,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:53,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:53,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:53,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2023-11-21 18:36:56,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:56,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:56,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2023-11-21 18:36:56,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/data/4fbe84243/4392898eadb14ba6b96b90ed714eb553/FLAGcb6a7899f [2023-11-21 18:36:56,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/data/4fbe84243/4392898eadb14ba6b96b90ed714eb553 [2023-11-21 18:36:56,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:56,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:56,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:56,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:56,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:56,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b307e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56, skipping insertion in model container [2023-11-21 18:36:56,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:56,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:56,883 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:56,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:56,919 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:56,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56 WrapperNode [2023-11-21 18:36:56,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:56,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:56,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:56,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:56,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,965 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-21 18:36:56,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:56,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:56,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:56,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:56,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:56,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:56,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:56,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:56,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:57,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:57,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:57,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc20d3-292b-46e8-bdc8-df9b82ee4266/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:36:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:36:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:36:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:36:57,167 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:57,169 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:57,761 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:57,830 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:57,830 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:36:57,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:57 BoogieIcfgContainer [2023-11-21 18:36:57,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:57,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:57,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:57,852 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:57,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:57" (1/1) ... [2023-11-21 18:36:57,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-21 18:36:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-21 18:36:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:57,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:58,222 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 18:36:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-21 18:36:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-21 18:36:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:58,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:36:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-21 18:36:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:36:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:58,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:58,759 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 18:36:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-21 18:36:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-21 18:36:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:36:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-21 18:36:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-21 18:36:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:58,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:59,062 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 18:36:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-21 18:36:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:36:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:59,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:59,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:00,126 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 18:37:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-21 18:37:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-21 18:37:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:01,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:01,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:01,525 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 18:37:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-21 18:37:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-21 18:37:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:37:01,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:01,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:01,672 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 18:37:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-21 18:37:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-21 18:37:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:02,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:02,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:02,883 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 18:37:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-21 18:37:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-21 18:37:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:02,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:02,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:03,059 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 18:37:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-21 18:37:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-21 18:37:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:03,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:03,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:03,777 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 18:37:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 183 states and 211 transitions. [2023-11-21 18:37:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2023-11-21 18:37:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:06,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:06,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:06,564 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 18:37:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 187 states and 220 transitions. [2023-11-21 18:37:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2023-11-21 18:37:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:07,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:07,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:07,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:07,821 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 18:37:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 196 states and 237 transitions. [2023-11-21 18:37:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2023-11-21 18:37:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:10,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:10,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:10,947 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 18:37:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 199 states and 242 transitions. [2023-11-21 18:37:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions. [2023-11-21 18:37:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:11,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:11,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:11,680 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 18:37:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 204 states and 251 transitions. [2023-11-21 18:37:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2023-11-21 18:37:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:12,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:12,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:12,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:12,807 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 18:37:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 205 states and 252 transitions. [2023-11-21 18:37:13,474 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2023-11-21 18:37:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:13,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:13,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:13,523 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 18:37:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 206 states and 253 transitions. [2023-11-21 18:37:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2023-11-21 18:37:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:13,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:13,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:13,849 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 18:37:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 211 states and 264 transitions. [2023-11-21 18:37:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2023-11-21 18:37:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:37:15,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,714 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 18:37:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 223 states and 285 transitions. [2023-11-21 18:37:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 285 transitions. [2023-11-21 18:37:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:20,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:20,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:20,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:20,768 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 18:37:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 236 states and 308 transitions. [2023-11-21 18:37:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 308 transitions. [2023-11-21 18:37:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:26,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,324 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 18:37:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 249 states and 334 transitions. [2023-11-21 18:37:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 334 transitions. [2023-11-21 18:37:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:32,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:32,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:32,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:32,735 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 18:37:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 263 states and 362 transitions. [2023-11-21 18:37:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 362 transitions. [2023-11-21 18:37:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:38,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:38,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:38,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:38,617 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 18:37:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 278 states and 392 transitions. [2023-11-21 18:37:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 392 transitions. [2023-11-21 18:37:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:46,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:46,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:46,239 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 18:37:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 288 states and 413 transitions. [2023-11-21 18:37:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2023-11-21 18:37:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:49,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:49,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:49,138 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 18:37:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 289 states and 414 transitions. [2023-11-21 18:37:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 414 transitions. [2023-11-21 18:37:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:49,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:49,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:49,234 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 18:37:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 290 states and 415 transitions. [2023-11-21 18:37:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 415 transitions. [2023-11-21 18:37:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:49,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:49,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:49,564 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 18:37:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 293 states and 419 transitions. [2023-11-21 18:37:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 419 transitions. [2023-11-21 18:37:50,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:50,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:50,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:50,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.