./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/rewnif.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_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/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_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewnif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/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_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/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 5ee21d1db2a363655b71bcb8ab92ef8d6b86a57a4ebbd79d98cb55c59d3ed1f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:08,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:09,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:16:09,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:09,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:09,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:09,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:09,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:09,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:09,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:09,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:09,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:09,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:16:09,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:09,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:16:09,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:09,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:09,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:09,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:09,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:09,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:09,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:16:09,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:09,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:09,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:09,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:09,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:09,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:09,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:09,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:09,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:09,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:09,213 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:09,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:09,214 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:09,214 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_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee21d1db2a363655b71bcb8ab92ef8d6b86a57a4ebbd79d98cb55c59d3ed1f5 [2023-11-23 20:16:09,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:09,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:09,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:09,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:09,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:09,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-tiling/rewnif.c [2023-11-23 20:16:13,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:13,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:13,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/sv-benchmarks/c/array-tiling/rewnif.c [2023-11-23 20:16:13,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/data/d76676bce/5141a4df34f94920ad9da6a258f5a9ac/FLAG94336ebc0 [2023-11-23 20:16:13,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/data/d76676bce/5141a4df34f94920ad9da6a258f5a9ac [2023-11-23 20:16:13,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:13,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:13,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:13,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:13,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:13,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d5f6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13, skipping insertion in model container [2023-11-23 20:16:13,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:13,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:13,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:13,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:13,619 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:13,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13 WrapperNode [2023-11-23 20:16:13,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:13,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:13,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:13,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:13,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,660 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-23 20:16:13,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:13,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:13,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:13,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:13,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:13,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:13,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:13,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:13,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:13" (1/1) ... [2023-11-23 20:16:13,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:13,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:13,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dac5a5-083d-4aab-b6bc-418d9fdcbe07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:16:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:16:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:16:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:16:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:16:13,874 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:13,876 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:14,127 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:14,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:14,189 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:16:14,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:14 BoogieIcfgContainer [2023-11-23 20:16:14,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:14,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:14,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:14,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:14,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:14" (1/1) ... [2023-11-23 20:16:14,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-23 20:16:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-23 20:16:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:16:14,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:14,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:14,565 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 20:16:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-23 20:16:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-23 20:16:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:16:14,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:14,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:14,811 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 20:16:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-23 20:16:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-23 20:16:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:16:14,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:14,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,036 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 20:16:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-23 20:16:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-23 20:16:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:16:15,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,103 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 20:16:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-23 20:16:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-23 20:16:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:15,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,185 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 20:16:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-11-23 20:16:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-23 20:16:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:16:15,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,273 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 20:16:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-23 20:16:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-23 20:16:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:16:15,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,478 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 20:16:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2023-11-23 20:16:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-23 20:16:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:15,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,665 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 20:16:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-23 20:16:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-23 20:16:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:16:15,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-23 20:16:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-23 20:16:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:15,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:16:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-11-23 20:16:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-23 20:16:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:16:16,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2023-11-23 20:16:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-23 20:16:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:16:16,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:16:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-23 20:16:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-23 20:16:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:16:16,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2023-11-23 20:16:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-23 20:16:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:16,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2023-11-23 20:16:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-23 20:16:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:17,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:16:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2023-11-23 20:16:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-23 20:16:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:16:17,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-23 20:16:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-23 20:16:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:16:17,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:16:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2023-11-23 20:16:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-23 20:16:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:16:17,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2023-11-23 20:16:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-23 20:16:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:18,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 54 transitions. [2023-11-23 20:16:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-11-23 20:16:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:16:18,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:16:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2023-11-23 20:16:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-23 20:16:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:19,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:16:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2023-11-23 20:16:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2023-11-23 20:16:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:19,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:16:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2023-11-23 20:16:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-23 20:16:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:20,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:16:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2023-11-23 20:16:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-11-23 20:16:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:16:20,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:16:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2023-11-23 20:16:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2023-11-23 20:16:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:16:20,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 79 states and 100 transitions. [2023-11-23 20:16:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2023-11-23 20:16:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:16:23,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2023-11-23 20:16:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-23 20:16:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:23,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:16:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2023-11-23 20:16:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2023-11-23 20:16:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:25,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2023-11-23 20:16:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2023-11-23 20:16:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:26,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 86 states and 104 transitions. [2023-11-23 20:16:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2023-11-23 20:16:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:26,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2023-11-23 20:16:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-11-23 20:16:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:26,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:26,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2023-11-23 20:16:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2023-11-23 20:16:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:16:27,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:27,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2023-11-23 20:16:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2023-11-23 20:16:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:16:28,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:28,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-23 20:16:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-23 20:16:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:34,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 20:16:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2023-11-23 20:16:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2023-11-23 20:16:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:16:35,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 33 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 118 states and 140 transitions. [2023-11-23 20:16:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 140 transitions. [2023-11-23 20:16:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:16:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 20:16:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 121 states and 144 transitions. [2023-11-23 20:16:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 144 transitions. [2023-11-23 20:16:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:16:45,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 48 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 149 states and 176 transitions. [2023-11-23 20:16:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2023-11-23 20:16:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:16:56,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:56,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-23 20:16:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 152 states and 180 transitions. [2023-11-23 20:16:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2023-11-23 20:16:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:16:57,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:57,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 66 proven. 147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.