./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:26,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:26,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:40:26,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:26,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:26,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:26,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:26,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:26,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:26,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:26,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:26,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:26,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:40:26,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:26,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:40:26,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:26,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:26,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:26,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:26,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:40:26,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:26,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:26,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:26,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:26,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:26,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:26,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:26,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:26,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:26,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:26,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:26,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:26,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:26,953 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_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 [2023-11-19 02:40:27,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:27,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:27,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:27,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:27,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:27,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-new/gauss_sum.i [2023-11-19 02:40:30,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:30,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:30,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/sv-benchmarks/c/loop-new/gauss_sum.i [2023-11-19 02:40:30,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/data/92286f1f5/b6e1e2dca2a34e06b17eb01192ba0509/FLAG99ffb3eeb [2023-11-19 02:40:30,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/data/92286f1f5/b6e1e2dca2a34e06b17eb01192ba0509 [2023-11-19 02:40:30,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:30,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:30,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:30,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:30,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:30,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c03216b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30, skipping insertion in model container [2023-11-19 02:40:30,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:30,817 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2023-11-19 02:40:30,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:30,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:30,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2023-11-19 02:40:30,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:30,869 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:30,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30 WrapperNode [2023-11-19 02:40:30,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:30,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:30,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:30,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:30,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,907 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-19 02:40:30,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:30,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:30,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:30,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:30,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:30,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:30,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:30,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:30,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:30" (1/1) ... [2023-11-19 02:40:30,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:30,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338dc430-f5f6-4aad-ad33-34fa94284c53/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:40:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:31,102 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:31,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:31,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:31,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:31,305 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:40:31,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:31 BoogieIcfgContainer [2023-11-19 02:40:31,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:31,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:31,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:31,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:31,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:31" (1/1) ... [2023-11-19 02:40:31,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:40:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 02:40:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 02:40:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:40:31,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:31,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:31,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:40:31,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-19 02:40:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-19 02:40:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:40:31,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:31,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:40:31,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-11-19 02:40:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-11-19 02:40:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:40:32,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:32,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:40:32,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-19 02:40:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-19 02:40:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:40:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:32,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:40:32,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-19 02:40:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-19 02:40:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:33,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:33,152 WARN L260 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:40:33,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-19 02:40:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-19 02:40:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:40:33,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:33,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:33,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:40:33,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-19 02:40:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-19 02:40:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:40:34,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:34,551 WARN L260 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:40:34,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-19 02:40:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-19 02:40:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:40:35,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:35,372 WARN L260 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:40:35,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2023-11-19 02:40:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2023-11-19 02:40:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:40:36,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:36,308 WARN L260 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 02:40:36,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 02:40:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 02:40:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:37,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:37,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:37,332 WARN L260 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 02:40:37,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-11-19 02:40:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-11-19 02:40:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:40:38,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:38,462 WARN L260 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 02:40:38,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2023-11-19 02:40:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2023-11-19 02:40:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:40:39,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:39,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:39,553 WARN L260 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:40:39,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2023-11-19 02:40:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2023-11-19 02:40:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:40:41,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:41,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:41,049 WARN L260 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 02:40:41,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-11-19 02:40:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-11-19 02:40:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:40:42,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:42,429 WARN L260 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 02:40:42,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2023-11-19 02:40:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2023-11-19 02:40:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:40:43,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:43,963 WARN L260 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 02:40:43,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2023-11-19 02:40:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2023-11-19 02:40:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:40:45,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:45,628 WARN L260 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 02:40:45,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2023-11-19 02:40:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2023-11-19 02:40:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:40:49,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:49,770 WARN L260 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 02:40:49,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2023-11-19 02:40:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-11-19 02:40:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:40:51,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:51,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:51,979 WARN L260 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 02:40:51,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2023-11-19 02:40:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2023-11-19 02:40:54,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:40:54,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:54,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:54,181 WARN L260 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 02:40:54,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2023-11-19 02:40:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2023-11-19 02:40:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:40:56,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:56,399 WARN L260 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-19 02:40:56,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2023-11-19 02:40:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2023-11-19 02:40:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:40:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:58,868 WARN L260 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 88 conjunts are in the unsatisfiable core [2023-11-19 02:40:58,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2023-11-19 02:41:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2023-11-19 02:41:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:41:01,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:01,367 WARN L260 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 02:41:01,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 92 transitions. [2023-11-19 02:41:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2023-11-19 02:41:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:41:04,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:04,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:04,111 WARN L260 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 02:41:04,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2023-11-19 02:41:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2023-11-19 02:41:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:41:06,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:06,922 WARN L260 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-19 02:41:06,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2023-11-19 02:41:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2023-11-19 02:41:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:41:09,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:09,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,981 WARN L260 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2023-11-19 02:41:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2023-11-19 02:41:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:41:13,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:13,136 WARN L260 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 108 conjunts are in the unsatisfiable core [2023-11-19 02:41:13,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-19 02:41:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-19 02:41:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:41:16,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:16,571 WARN L260 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-19 02:41:16,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 112 transitions. [2023-11-19 02:41:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2023-11-19 02:41:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:20,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:20,068 WARN L260 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 116 conjunts are in the unsatisfiable core [2023-11-19 02:41:20,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2023-11-19 02:41:23,715 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2023-11-19 02:41:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:41:23,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:23,782 WARN L260 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 120 conjunts are in the unsatisfiable core [2023-11-19 02:41:23,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 64 states and 120 transitions. [2023-11-19 02:41:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2023-11-19 02:41:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:41:27,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms