./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:48,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:48,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:48,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:48,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:48,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:48,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:48,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:48,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:48,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:48,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:48,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:48,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:48,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:48,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:48,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:48,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:48,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:48,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:48,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:48,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:48,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:48,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:48,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:48,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:48,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:48,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:48,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:48,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:48,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:48,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:48,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:48,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:48,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:48,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:48,967 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_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 [2023-11-21 18:55:49,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:49,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:49,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:49,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:49,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:49,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c [2023-11-21 18:55:52,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:52,836 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:52,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c [2023-11-21 18:55:52,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/data/ed71c7878/2ce4682422c04870813636075512db64/FLAG273a795ce [2023-11-21 18:55:52,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/data/ed71c7878/2ce4682422c04870813636075512db64 [2023-11-21 18:55:52,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:52,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:52,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:52,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:52,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:52,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:52" (1/1) ... [2023-11-21 18:55:52,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@978fc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:52, skipping insertion in model container [2023-11-21 18:55:52,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:52" (1/1) ... [2023-11-21 18:55:52,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:53,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:53,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:53,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:53,117 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:53,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53 WrapperNode [2023-11-21 18:55:53,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:53,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:53,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:53,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:53,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,156 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-11-21 18:55:53,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:53,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:53,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:53,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:53,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:53,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:53,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:53,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:53,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:53,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:53,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:53,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420393b8-4f41-4b40-811f-6cb4725cb540/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:55:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:55:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:53,360 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:53,362 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:53,606 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:53,666 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:53,666 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:55:53,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:53 BoogieIcfgContainer [2023-11-21 18:55:53,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:53,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:53,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:53,682 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:53,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-21 18:55:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 18:55:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:55:53,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:53,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-21 18:55:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-21 18:55:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:55:54,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:54,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-21 18:55:54,358 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-21 18:55:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:55:54,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-21 18:55:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-21 18:55:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:54,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-21 18:55:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-21 18:55:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:54,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-11-21 18:55:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-11-21 18:55:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:55,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-21 18:55:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-21 18:55:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:55,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2023-11-21 18:55:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2023-11-21 18:55:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:55:55,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-21 18:55:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-21 18:55:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:55:55,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2023-11-21 18:55:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2023-11-21 18:55:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:55:55,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:56,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2023-11-21 18:55:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2023-11-21 18:55:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:55:56,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-21 18:55:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-21 18:55:56,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:55:56,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-21 18:55:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-21 18:55:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:55:57,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:55:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2023-11-21 18:55:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2023-11-21 18:55:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:55:58,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:55:58,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2023-11-21 18:55:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2023-11-21 18:55:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:55:58,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2023-11-21 18:55:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2023-11-21 18:55:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:55:59,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:55:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2023-11-21 18:55:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-21 18:55:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:55:59,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:55:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2023-11-21 18:55:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2023-11-21 18:55:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:55:59,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:59,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:56:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2023-11-21 18:56:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-21 18:56:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:56:02,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:02,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2023-11-21 18:56:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-21 18:56:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:56:02,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:02,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:56:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2023-11-21 18:56:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2023-11-21 18:56:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:56:03,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:56:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 121 transitions. [2023-11-21 18:56:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2023-11-21 18:56:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:56:05,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:56:05,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-21 18:56:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-21 18:56:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:56:05,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:56:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2023-11-21 18:56:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2023-11-21 18:56:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:08,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 88 proven. 18 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:56:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 139 transitions. [2023-11-21 18:56:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 139 transitions. [2023-11-21 18:56:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:09,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:56:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2023-11-21 18:56:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-21 18:56:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:56:09,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:09,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 102 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-21 18:56:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2023-11-21 18:56:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2023-11-21 18:56:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:56:10,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:10,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:56:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 110 states and 166 transitions. [2023-11-21 18:56:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 166 transitions. [2023-11-21 18:56:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:56:14,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 175 proven. 30 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-21 18:56:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 113 states and 175 transitions. [2023-11-21 18:56:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2023-11-21 18:56:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:56:16,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:16,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-21 18:56:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 117 states and 180 transitions. [2023-11-21 18:56:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2023-11-21 18:56:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:56:16,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:16,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 195 proven. 5 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-21 18:56:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 181 transitions. [2023-11-21 18:56:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2023-11-21 18:56:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:56:17,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:17,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-21 18:56:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 122 states and 190 transitions. [2023-11-21 18:56:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2023-11-21 18:56:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:56:18,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-21 18:56:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 141 states and 215 transitions. [2023-11-21 18:56:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 215 transitions. [2023-11-21 18:56:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:56:24,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:24,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 333 proven. 6 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-21 18:56:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 143 states and 216 transitions. [2023-11-21 18:56:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2023-11-21 18:56:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:56:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:25,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-11-21 18:56:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 147 states and 221 transitions. [2023-11-21 18:56:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 221 transitions. [2023-11-21 18:56:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-21 18:56:26,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:26,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-21 18:56:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 169 states and 248 transitions. [2023-11-21 18:56:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2023-11-21 18:56:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-21 18:56:34,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:34,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 490 proven. 63 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-21 18:56:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 172 states and 259 transitions. [2023-11-21 18:56:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 259 transitions. [2023-11-21 18:56:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:56:36,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 525 proven. 7 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2023-11-21 18:56:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 174 states and 260 transitions. [2023-11-21 18:56:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 260 transitions. [2023-11-21 18:56:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:56:37,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:37,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat