./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC --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 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:20,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:21,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:21,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:21,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:21,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:21,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:21,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:21,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:21,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:21,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:21,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:21,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:21,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:21,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:21,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:21,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:21,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:21,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:21,057 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:21,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:21,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:21,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:21,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:21,059 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:21,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:21,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:21,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:21,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:21,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:21,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:21,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:21,063 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:21,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:21,064 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:21,064 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_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 [2023-11-23 20:19:21,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:21,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:21,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:21,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:21,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:21,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-23 20:19:24,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:24,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:24,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-23 20:19:24,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/data/1916d441a/b41a783335fa48aaa292cded1255e63e/FLAG020b02a9e [2023-11-23 20:19:24,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/data/1916d441a/b41a783335fa48aaa292cded1255e63e [2023-11-23 20:19:24,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:24,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:24,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:24,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:24,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:24,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:24" (1/1) ... [2023-11-23 20:19:24,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2508bf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:24, skipping insertion in model container [2023-11-23 20:19:24,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:24" (1/1) ... [2023-11-23 20:19:24,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:25,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:25,144 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:25,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:25,181 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:25,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25 WrapperNode [2023-11-23 20:19:25,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:25,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:25,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:25,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:25,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,223 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-23 20:19:25,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:25,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:25,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:25,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:25,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:25,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:25,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:25,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:25,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:25,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:25,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56770c3-f307-45fd-a1ff-8a98c61475fb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:19:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:19:25,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:25,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:25,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:25,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:25,669 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:19:25,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:25 BoogieIcfgContainer [2023-11-23 20:19:25,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:25,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:25,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:25,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:25,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-23 20:19:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-23 20:19:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:19:25,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-23 20:19:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-23 20:19:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:19:26,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-23 20:19:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-23 20:19:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:19:26,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-23 20:19:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-23 20:19:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:19:26,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:26,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-23 20:19:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-23 20:19:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:19:26,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:26,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-23 20:19:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-23 20:19:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:19:27,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:27,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:27,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-23 20:19:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-23 20:19:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:19:27,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:27,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:27,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:27,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-23 20:19:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-23 20:19:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:28,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-23 20:19:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-23 20:19:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:28,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-23 20:19:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-23 20:19:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:28,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-23 20:19:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-23 20:19:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:19:29,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2023-11-23 20:19:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-11-23 20:19:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:19:30,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:30,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2023-11-23 20:19:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2023-11-23 20:19:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:19:30,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:30,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 89 states and 169 transitions. [2023-11-23 20:19:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 169 transitions. [2023-11-23 20:19:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:19:30,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 92 states and 172 transitions. [2023-11-23 20:19:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2023-11-23 20:19:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:19:31,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 96 states and 181 transitions. [2023-11-23 20:19:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2023-11-23 20:19:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:19:32,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 102 states and 199 transitions. [2023-11-23 20:19:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2023-11-23 20:19:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:32,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:19:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 111 states and 223 transitions. [2023-11-23 20:19:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 223 transitions. [2023-11-23 20:19:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:19:33,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:33,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:19:33,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:19:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 119 states and 243 transitions. [2023-11-23 20:19:34,399 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 243 transitions. [2023-11-23 20:19:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:19:34,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:34,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:19:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 119 states and 241 transitions. [2023-11-23 20:19:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 241 transitions. [2023-11-23 20:19:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:19:35,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:35,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:19:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 129 states and 271 transitions. [2023-11-23 20:19:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 271 transitions. [2023-11-23 20:19:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:19:36,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:36,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:36,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:36,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 138 states and 295 transitions. [2023-11-23 20:19:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 295 transitions. [2023-11-23 20:19:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:19:36,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:36,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:36,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:19:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 138 states and 292 transitions. [2023-11-23 20:19:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 292 transitions. [2023-11-23 20:19:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:19:37,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:19:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 138 states and 286 transitions. [2023-11-23 20:19:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 286 transitions. [2023-11-23 20:19:38,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:19:38,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:38,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:19:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 288 transitions. [2023-11-23 20:19:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 288 transitions. [2023-11-23 20:19:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:19:38,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:19:38,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:19:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 291 transitions. [2023-11-23 20:19:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 291 transitions. [2023-11-23 20:19:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:19:39,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:39,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:39,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:39,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:19:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 152 states and 299 transitions. [2023-11-23 20:19:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 299 transitions. [2023-11-23 20:19:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:19:40,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:40,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:19:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2023-11-23 20:19:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2023-11-23 20:19:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:19:41,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:41,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:41,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:19:41,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:19:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 162 states and 329 transitions. [2023-11-23 20:19:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 329 transitions. [2023-11-23 20:19:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:19:42,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:19:42,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:19:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 162 states and 327 transitions. [2023-11-23 20:19:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2023-11-23 20:19:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:19:43,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:43,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:43,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:19:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 162 states and 324 transitions. [2023-11-23 20:19:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 324 transitions. [2023-11-23 20:19:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:19:44,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:44,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:19:44,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:19:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 171 states and 349 transitions. [2023-11-23 20:19:45,535 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 349 transitions. [2023-11-23 20:19:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:19:45,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:45,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:45,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:19:45,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:19:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 181 states and 382 transitions. [2023-11-23 20:19:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 382 transitions. [2023-11-23 20:19:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:19:46,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:46,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:19:46,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:19:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 181 states and 377 transitions. [2023-11-23 20:19:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 377 transitions. [2023-11-23 20:19:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:19:47,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:47,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:47,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:19:47,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:19:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 188 states and 385 transitions. [2023-11-23 20:19:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 385 transitions. [2023-11-23 20:19:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:19:49,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:49,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:19:49,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:19:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 188 states and 377 transitions. [2023-11-23 20:19:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 377 transitions. [2023-11-23 20:19:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:19:50,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:50,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:19:50,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:19:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 188 states and 374 transitions. [2023-11-23 20:19:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 374 transitions. [2023-11-23 20:19:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:19:51,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:51,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:51,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:19:51,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:19:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 198 states and 408 transitions. [2023-11-23 20:19:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 408 transitions. [2023-11-23 20:19:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:19:52,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:52,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:52,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:19:52,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:19:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 205 states and 416 transitions. [2023-11-23 20:19:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 416 transitions. [2023-11-23 20:19:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:19:53,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:19:53,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:19:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 205 states and 414 transitions. [2023-11-23 20:19:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 414 transitions. [2023-11-23 20:19:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:19:55,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:19:55,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:19:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 205 states and 411 transitions. [2023-11-23 20:19:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 411 transitions. [2023-11-23 20:19:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:19:55,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:19:55,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:19:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 215 states and 446 transitions. [2023-11-23 20:19:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 446 transitions. [2023-11-23 20:19:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:19:57,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:57,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:19:57,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:19:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 222 states and 454 transitions. [2023-11-23 20:19:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 454 transitions. [2023-11-23 20:19:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 20:19:58,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:59,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:19:59,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 20:20:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 222 states and 447 transitions. [2023-11-23 20:20:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 447 transitions. [2023-11-23 20:20:00,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:20:00,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:00,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:00,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:20:00,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:20:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:01,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 222 states and 445 transitions. [2023-11-23 20:20:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 445 transitions. [2023-11-23 20:20:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:20:01,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:01,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:01,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:20:01,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 21 proven. 707 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:20:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 231 states and 468 transitions. [2023-11-23 20:20:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 468 transitions. [2023-11-23 20:20:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:20:04,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:20:04,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 24 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:20:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 234 states and 471 transitions. [2023-11-23 20:20:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 471 transitions. [2023-11-23 20:20:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:20:05,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:20:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 238 states and 487 transitions. [2023-11-23 20:20:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 487 transitions. [2023-11-23 20:20:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:20:06,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:20:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 244 states and 505 transitions. [2023-11-23 20:20:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 505 transitions. [2023-11-23 20:20:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 20:20:08,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:20:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 251 states and 519 transitions. [2023-11-23 20:20:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 519 transitions. [2023-11-23 20:20:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-23 20:20:10,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 826 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.