./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:47,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:47,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:47,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:47,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:47,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:47,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:47,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:47,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:47,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:47,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:47,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:47,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:47,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:47,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:47,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:47,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:47,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:47,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:47,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:47,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:47,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:47,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:47,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:47,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:47,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:47,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:47,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:47,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:47,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:47,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:47,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:47,884 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:47,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:47,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:47,885 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_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 [2023-11-21 18:31:48,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:48,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:48,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:48,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:48,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:48,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2023-11-21 18:31:51,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:51,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:51,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2023-11-21 18:31:51,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/data/7d586968a/1a7bfb2543694a5faa41f985931587ed/FLAG8698a34bd [2023-11-21 18:31:51,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/data/7d586968a/1a7bfb2543694a5faa41f985931587ed [2023-11-21 18:31:51,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:51,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:51,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:51,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:51,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:51,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:51,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132d7e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51, skipping insertion in model container [2023-11-21 18:31:51,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:51,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:51,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:51,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:51,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:51,961 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:51,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51 WrapperNode [2023-11-21 18:31:51,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:51,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:51,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:51,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:51,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:51,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,030 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-21 18:31:52,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:52,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:52,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:52,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:52,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:52,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:52,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:52,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:52,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:52,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:52,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacb32aa-10b5-4ac2-8937-03f7202a4032/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:52,253 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:52,255 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:53,148 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:53,185 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:53,185 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:53,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:53 BoogieIcfgContainer [2023-11-21 18:31:53,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:53,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:53,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:53,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:53,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:53" (1/1) ... [2023-11-21 18:31:53,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 299 states and 311 transitions. [2023-11-21 18:31:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 311 transitions. [2023-11-21 18:31:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:31:53,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:31:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:31:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:53,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-21 18:31:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-21 18:31:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:53,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 307 states and 322 transitions. [2023-11-21 18:31:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 322 transitions. [2023-11-21 18:31:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:53,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 308 states and 323 transitions. [2023-11-21 18:31:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 323 transitions. [2023-11-21 18:31:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:54,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 309 states and 324 transitions. [2023-11-21 18:31:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 324 transitions. [2023-11-21 18:31:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:54,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 310 states and 325 transitions. [2023-11-21 18:31:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 325 transitions. [2023-11-21 18:31:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:54,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 311 states and 326 transitions. [2023-11-21 18:31:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 326 transitions. [2023-11-21 18:31:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:31:54,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-21 18:31:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-21 18:31:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:31:54,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-21 18:31:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-21 18:31:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:54,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-21 18:31:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-21 18:31:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:54,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 315 states and 331 transitions. [2023-11-21 18:31:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 331 transitions. [2023-11-21 18:31:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:31:54,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-21 18:31:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-21 18:31:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:31:54,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-21 18:31:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-21 18:31:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:31:54,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 312 states and 328 transitions. [2023-11-21 18:31:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 328 transitions. [2023-11-21 18:31:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:31:54,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 316 states and 333 transitions. [2023-11-21 18:31:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2023-11-21 18:31:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:31:55,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 315 states and 332 transitions. [2023-11-21 18:31:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2023-11-21 18:31:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:31:55,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 314 states and 331 transitions. [2023-11-21 18:31:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 331 transitions. [2023-11-21 18:31:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:31:55,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 313 states and 330 transitions. [2023-11-21 18:31:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 330 transitions. [2023-11-21 18:31:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:55,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 312 states and 329 transitions. [2023-11-21 18:31:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2023-11-21 18:31:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:55,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 322 states and 340 transitions. [2023-11-21 18:31:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 340 transitions. [2023-11-21 18:31:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:55,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 323 states and 341 transitions. [2023-11-21 18:31:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 341 transitions. [2023-11-21 18:31:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:56,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 349 states and 373 transitions. [2023-11-21 18:31:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 373 transitions. [2023-11-21 18:31:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:56,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 350 states and 374 transitions. [2023-11-21 18:31:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 374 transitions. [2023-11-21 18:31:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:31:56,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 378 states and 409 transitions. [2023-11-21 18:31:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 409 transitions. [2023-11-21 18:31:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:31:57,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 407 states and 445 transitions. [2023-11-21 18:31:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 445 transitions. [2023-11-21 18:31:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:31:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:58,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:58,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 410 states and 450 transitions. [2023-11-21 18:31:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 450 transitions. [2023-11-21 18:31:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:59,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:59,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 413 states and 454 transitions. [2023-11-21 18:31:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 454 transitions. [2023-11-21 18:31:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:59,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:59,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 418 states and 462 transitions. [2023-11-21 18:32:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 462 transitions. [2023-11-21 18:32:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:32:00,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 424 states and 471 transitions. [2023-11-21 18:32:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 471 transitions. [2023-11-21 18:32:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:32:01,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:01,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:01,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 431 states and 479 transitions. [2023-11-21 18:32:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 479 transitions. [2023-11-21 18:32:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:32:02,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:02,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:02,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:02,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 435 states and 484 transitions. [2023-11-21 18:32:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 484 transitions. [2023-11-21 18:32:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:32:02,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:02,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:02,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 437 states and 488 transitions. [2023-11-21 18:32:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 488 transitions. [2023-11-21 18:32:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:32:03,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 440 states and 493 transitions. [2023-11-21 18:32:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 493 transitions. [2023-11-21 18:32:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:32:03,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 444 states and 499 transitions. [2023-11-21 18:32:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 499 transitions. [2023-11-21 18:32:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:32:05,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:05,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 448 states and 504 transitions. [2023-11-21 18:32:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 504 transitions. [2023-11-21 18:32:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:32:07,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 450 states and 508 transitions. [2023-11-21 18:32:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 508 transitions. [2023-11-21 18:32:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:32:08,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:08,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:08,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:09,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 451 states and 510 transitions. [2023-11-21 18:32:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 510 transitions. [2023-11-21 18:32:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:32:09,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:09,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:09,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:09,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 450 states and 509 transitions. [2023-11-21 18:32:09,919 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 509 transitions. [2023-11-21 18:32:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:32:09,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:09,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:09,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:09,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 455 states and 518 transitions. [2023-11-21 18:32:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 518 transitions. [2023-11-21 18:32:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:32:13,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:13,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:13,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 461 states and 528 transitions. [2023-11-21 18:32:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 528 transitions. [2023-11-21 18:32:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:32:14,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:14,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:14,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:14,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 469 states and 541 transitions. [2023-11-21 18:32:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 541 transitions. [2023-11-21 18:32:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:32:17,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 478 states and 555 transitions. [2023-11-21 18:32:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 555 transitions. [2023-11-21 18:32:19,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:32:19,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 487 states and 567 transitions. [2023-11-21 18:32:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 567 transitions. [2023-11-21 18:32:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:32:21,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:21,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:21,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:21,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 489 states and 571 transitions. [2023-11-21 18:32:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 571 transitions. [2023-11-21 18:32:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:32:22,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 492 states and 576 transitions. [2023-11-21 18:32:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 576 transitions. [2023-11-21 18:32:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:32:23,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:23,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:23,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 496 states and 580 transitions. [2023-11-21 18:32:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 580 transitions. [2023-11-21 18:32:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:32:24,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:24,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:24,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:24,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 500 states and 585 transitions. [2023-11-21 18:32:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 585 transitions. [2023-11-21 18:32:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:32:25,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:25,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:25,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:25,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 501 states and 587 transitions. [2023-11-21 18:32:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 587 transitions. [2023-11-21 18:32:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:32:26,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:26,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:26,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:32:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 503 states and 590 transitions. [2023-11-21 18:32:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 590 transitions. [2023-11-21 18:32:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:32:27,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 536 states and 633 transitions. [2023-11-21 18:32:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2023-11-21 18:32:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:32:30,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:30,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:30,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:30,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 537 states and 635 transitions. [2023-11-21 18:32:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2023-11-21 18:32:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:32:30,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:30,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:30,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:30,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 557 states and 663 transitions. [2023-11-21 18:32:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 663 transitions. [2023-11-21 18:32:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:32:34,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:34,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:34,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 559 states and 666 transitions. [2023-11-21 18:32:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 666 transitions. [2023-11-21 18:32:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:32:34,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:34,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:34,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 558 states and 665 transitions. [2023-11-21 18:32:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 665 transitions. [2023-11-21 18:32:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:32:34,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:34,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:34,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:34,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 578 states and 695 transitions. [2023-11-21 18:32:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 695 transitions. [2023-11-21 18:32:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:32:38,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:38,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:38,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:32:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 600 states and 725 transitions. [2023-11-21 18:32:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 725 transitions. [2023-11-21 18:32:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:32:43,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.