./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/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_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/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_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:16,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:16,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:16,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:16,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:16,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:16,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:16,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:16,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:16,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:16,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:16,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:16,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:16,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:16,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:16,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:16,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:16,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:16,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:16,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:16,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:16,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:16,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:16,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:16,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:16,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:16,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:16,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:16,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:16,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:16,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:16,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:16,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:16,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:16,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:16,936 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_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2023-11-21 18:43:17,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:17,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:17,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:17,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:17,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:17,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-21 18:43:20,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:20,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:20,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-21 18:43:20,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/data/5213e4c6d/6fac232c4719489eb42a0d3eb40cc01c/FLAG74bf73c02 [2023-11-21 18:43:20,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/data/5213e4c6d/6fac232c4719489eb42a0d3eb40cc01c [2023-11-21 18:43:20,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:20,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:20,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:20,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:20,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:20,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:20" (1/1) ... [2023-11-21 18:43:20,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3015eb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:20, skipping insertion in model container [2023-11-21 18:43:20,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:20" (1/1) ... [2023-11-21 18:43:20,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:21,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:21,077 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:21,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:21,122 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:21,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21 WrapperNode [2023-11-21 18:43:21,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:21,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:21,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:21,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:21,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,190 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-21 18:43:21,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:21,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:21,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:21,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:21,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:21,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:21,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:21,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:21,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:21,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:21,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed1ce3b-c55c-4a3d-b313-ec70df7429fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:21,364 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:21,367 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:21,671 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:21,727 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:21,727 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:43:21,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:21 BoogieIcfgContainer [2023-11-21 18:43:21,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:21,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:21,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:21,751 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:21,752 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:21" (1/1) ... [2023-11-21 18:43:21,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-21 18:43:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:43:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:21,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:21,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:43:21,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-21 18:43:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-21 18:43:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:43:22,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:22,162 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 18:43:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-21 18:43:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-21 18:43:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:43:22,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:22,294 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 18:43:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2023-11-21 18:43:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-21 18:43:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:43:22,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 89 transitions. [2023-11-21 18:43:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2023-11-21 18:43:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:22,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 101 transitions. [2023-11-21 18:43:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-21 18:43:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:23,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:23,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:23,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 111 transitions. [2023-11-21 18:43:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2023-11-21 18:43:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:23,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:23,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:23,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 112 transitions. [2023-11-21 18:43:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-21 18:43:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:23,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:23,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:23,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:23,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 123 transitions. [2023-11-21 18:43:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-11-21 18:43:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:24,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:24,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:24,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:24,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 138 transitions. [2023-11-21 18:43:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-21 18:43:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:25,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:25,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:25,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:25,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:25,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 149 transitions. [2023-11-21 18:43:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-21 18:43:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:43:25,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:25,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:25,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:25,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 163 transitions. [2023-11-21 18:43:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-21 18:43:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:43:26,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:26,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:26,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:26,630 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 18:43:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 176 transitions. [2023-11-21 18:43:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2023-11-21 18:43:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:43:27,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:27,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:27,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:27,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:27,221 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 18:43:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 126 states and 190 transitions. [2023-11-21 18:43:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-21 18:43:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:43:27,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:27,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:27,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:27,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 210 transitions. [2023-11-21 18:43:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2023-11-21 18:43:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:43:29,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:29,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:29,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:29,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 223 transitions. [2023-11-21 18:43:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2023-11-21 18:43:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:43:29,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:29,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:29,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 148 states and 233 transitions. [2023-11-21 18:43:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-11-21 18:43:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:43:30,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:30,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:30,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:30,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 158 states and 249 transitions. [2023-11-21 18:43:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 249 transitions. [2023-11-21 18:43:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:43:31,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:31,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:31,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 250 transitions. [2023-11-21 18:43:31,375 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 250 transitions. [2023-11-21 18:43:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:31,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:31,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:31,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:31,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 168 states and 262 transitions. [2023-11-21 18:43:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 262 transitions. [2023-11-21 18:43:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:31,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:31,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:31,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:31,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 276 transitions. [2023-11-21 18:43:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 276 transitions. [2023-11-21 18:43:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:32,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:32,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:32,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:32,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 185 states and 288 transitions. [2023-11-21 18:43:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2023-11-21 18:43:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:43:33,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:33,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:33,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 196 states and 316 transitions. [2023-11-21 18:43:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 316 transitions. [2023-11-21 18:43:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:43:34,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:34,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:34,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:34,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:43:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 205 states and 327 transitions. [2023-11-21 18:43:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 327 transitions. [2023-11-21 18:43:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:43:35,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:35,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:35,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:35,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 206 states and 328 transitions. [2023-11-21 18:43:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 328 transitions. [2023-11-21 18:43:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:43:35,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:35,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:35,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 210 states and 337 transitions. [2023-11-21 18:43:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-11-21 18:43:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:36,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:36,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:36,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:36,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 210 states and 336 transitions. [2023-11-21 18:43:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 336 transitions. [2023-11-21 18:43:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:38,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:38,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:38,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 216 states and 350 transitions. [2023-11-21 18:43:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 350 transitions. [2023-11-21 18:43:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:39,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:39,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 218 states and 357 transitions. [2023-11-21 18:43:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 357 transitions. [2023-11-21 18:43:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:40,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:40,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:40,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 222 states and 365 transitions. [2023-11-21 18:43:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 365 transitions. [2023-11-21 18:43:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:43:40,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:40,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:40,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:43:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 233 states and 379 transitions. [2023-11-21 18:43:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 379 transitions. [2023-11-21 18:43:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:43:42,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:42,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:42,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:42,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 239 states and 390 transitions. [2023-11-21 18:43:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 390 transitions. [2023-11-21 18:43:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:43:43,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:43,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:43,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 244 states and 403 transitions. [2023-11-21 18:43:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 403 transitions. [2023-11-21 18:43:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:43:44,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:44,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:44,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 255 states and 425 transitions. [2023-11-21 18:43:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 425 transitions. [2023-11-21 18:43:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:43:46,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:46,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:46,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:46,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 257 states and 428 transitions. [2023-11-21 18:43:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 428 transitions. [2023-11-21 18:43:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:43:47,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:47,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:47,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:47,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 269 states and 454 transitions. [2023-11-21 18:43:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 454 transitions. [2023-11-21 18:43:53,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:43:53,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:53,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:53,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:53,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 271 states and 458 transitions. [2023-11-21 18:43:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 458 transitions. [2023-11-21 18:43:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:43:54,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:54,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:54,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:43:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 284 states and 479 transitions. [2023-11-21 18:43:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 479 transitions. [2023-11-21 18:43:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:43:56,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:56,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:56,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:56,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:43:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 293 states and 493 transitions. [2023-11-21 18:43:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 493 transitions. [2023-11-21 18:43:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:43:58,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:58,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:44:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 307 states and 516 transitions. [2023-11-21 18:44:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 516 transitions. [2023-11-21 18:44:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:44:02,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:02,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-21 18:44:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 316 states and 528 transitions. [2023-11-21 18:44:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 528 transitions. [2023-11-21 18:44:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:44:04,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:44:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 325 states and 538 transitions. [2023-11-21 18:44:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 538 transitions. [2023-11-21 18:44:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:44:05,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:05,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:44:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 324 states and 537 transitions. [2023-11-21 18:44:06,028 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 537 transitions. [2023-11-21 18:44:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:44:06,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:44:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 333 states and 551 transitions. [2023-11-21 18:44:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 551 transitions. [2023-11-21 18:44:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:44:11,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:11,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.