./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/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_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL --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 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:47,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:47,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:03:47,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:47,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:47,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:47,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:47,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:47,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:47,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:47,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:47,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:47,776 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:47,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:47,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:47,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:47,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:47,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:47,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:47,780 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:03:47,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:47,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:47,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:47,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:47,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:47,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:47,783 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:47,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:47,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:47,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:47,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:47,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:47,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:47,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:47,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:47,788 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_9023ae8f-2fd1-4d45-83d9-9d67408344fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 [2023-11-19 03:03:48,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:48,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:48,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:48,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:48,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:48,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-11-19 03:03:51,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:51,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:51,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-11-19 03:03:51,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/data/9f02b089b/e2ff9cf997924b68b9a2375e33fe28e8/FLAGe3e0b6d23 [2023-11-19 03:03:51,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/data/9f02b089b/e2ff9cf997924b68b9a2375e33fe28e8 [2023-11-19 03:03:51,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:51,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:51,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:51,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:51,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:51,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bda898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51, skipping insertion in model container [2023-11-19 03:03:51,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:51,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:51,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:51,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:51,926 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:51,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51 WrapperNode [2023-11-19 03:03:51,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:51,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:51,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:51,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:51,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,982 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-19 03:03:51,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:51,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:51,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:51,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:51,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:51,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:52,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:52,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:52,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:52,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:51" (1/1) ... [2023-11-19 03:03:52,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:52,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:52,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:52,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9023ae8f-2fd1-4d45-83d9-9d67408344fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:52,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:52,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:52,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:52,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:52,595 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:52,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:52,659 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:03:52,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:52 BoogieIcfgContainer [2023-11-19 03:03:52,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:52,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:52,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:52,672 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:52,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:52" (1/1) ... [2023-11-19 03:03:52,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-19 03:03:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-19 03:03:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:52,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:52,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:52,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:52,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-19 03:03:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-19 03:03:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:52,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-19 03:03:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 03:03:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:53,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-19 03:03:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 03:03:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:53,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:53,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:53,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-19 03:03:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-19 03:03:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:03:53,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:53,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:53,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:53,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:54,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-19 03:03:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-19 03:03:54,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:54,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:54,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:54,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:54,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-19 03:03:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-19 03:03:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:55,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:55,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-19 03:03:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-19 03:03:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:55,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:55,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:55,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:55,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-19 03:03:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-19 03:03:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:56,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:56,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-19 03:03:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-19 03:03:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:57,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:57,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:57,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-19 03:03:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-19 03:03:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:03:57,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:57,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:57,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:57,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-19 03:03:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-19 03:03:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:58,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:58,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-19 03:03:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-19 03:03:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:58,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:58,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 176 states and 222 transitions. [2023-11-19 03:03:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-19 03:03:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:03:59,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:59,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:59,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 244 transitions. [2023-11-19 03:04:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-19 03:04:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:04:00,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:00,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:00,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:00,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 258 transitions. [2023-11-19 03:04:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-11-19 03:04:01,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:04:01,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:01,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 200 states and 266 transitions. [2023-11-19 03:04:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions. [2023-11-19 03:04:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:04:02,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:02,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:02,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 201 states and 267 transitions. [2023-11-19 03:04:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2023-11-19 03:04:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:04:02,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:02,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:02,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:02,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 202 states and 268 transitions. [2023-11-19 03:04:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-11-19 03:04:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:04:02,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 206 states and 276 transitions. [2023-11-19 03:04:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2023-11-19 03:04:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:04:03,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:03,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:03,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:04:03,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 209 states and 279 transitions. [2023-11-19 03:04:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 279 transitions. [2023-11-19 03:04:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:04:04,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:04,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:04,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 218 states and 296 transitions. [2023-11-19 03:04:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2023-11-19 03:04:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:06,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:06,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:06,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:04:06,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 219 states and 297 transitions. [2023-11-19 03:04:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2023-11-19 03:04:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:07,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:07,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:07,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 229 states and 315 transitions. [2023-11-19 03:04:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 315 transitions. [2023-11-19 03:04:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:09,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:09,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 230 states and 316 transitions. [2023-11-19 03:04:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2023-11-19 03:04:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:09,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:09,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 240 states and 337 transitions. [2023-11-19 03:04:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2023-11-19 03:04:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:04:11,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 256 states and 363 transitions. [2023-11-19 03:04:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2023-11-19 03:04:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:04:15,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 267 states and 383 transitions. [2023-11-19 03:04:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2023-11-19 03:04:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:04:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:18,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:18,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:18,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 268 states and 384 transitions. [2023-11-19 03:04:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 384 transitions. [2023-11-19 03:04:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:04:18,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:18,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:18,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 285 states and 412 transitions. [2023-11-19 03:04:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 412 transitions. [2023-11-19 03:04:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:04:23,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:23,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:23,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 286 states and 413 transitions. [2023-11-19 03:04:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 413 transitions. [2023-11-19 03:04:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:04:23,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:23,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:23,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 298 states and 434 transitions. [2023-11-19 03:04:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 434 transitions. [2023-11-19 03:04:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:04:27,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:27,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:04:27,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 310 states and 448 transitions. [2023-11-19 03:04:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 448 transitions. [2023-11-19 03:04:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:04:30,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:30,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:31,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:31,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 318 states and 463 transitions. [2023-11-19 03:04:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2023-11-19 03:04:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:04:33,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:33,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:33,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:33,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 331 states and 486 transitions. [2023-11-19 03:04:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2023-11-19 03:04:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:04:37,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:37,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:04:37,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 350 states and 514 transitions. [2023-11-19 03:04:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 514 transitions. [2023-11-19 03:04:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:04:43,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:43,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:43,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.