./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/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_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/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_bb4bb2d9-a72d-4c05-8610-8f9654eac088/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 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:26,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:26,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:26,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:26,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:26,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:26,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:26,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:26,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:26,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:26,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:26,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:26,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:26,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:26,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:26,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:26,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:26,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:26,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:26,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:26,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:26,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:26,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:26,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:26,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:26,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:26,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:26,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:26,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:26,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:26,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:26,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:26,198 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:26,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:26,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:26,198 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_bb4bb2d9-a72d-4c05-8610-8f9654eac088/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 [2023-11-21 18:40:26,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:26,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:26,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:26,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:26,525 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:26,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-simple/nested_3.c [2023-11-21 18:40:29,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:29,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:29,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/sv-benchmarks/c/loop-simple/nested_3.c [2023-11-21 18:40:29,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/data/d809a592e/94fe69996add4aa7bdf22fa73de266e4/FLAG1c28a319c [2023-11-21 18:40:29,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/data/d809a592e/94fe69996add4aa7bdf22fa73de266e4 [2023-11-21 18:40:29,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:29,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:29,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:29,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:29,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:29,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:29" (1/1) ... [2023-11-21 18:40:29,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3553ea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:29, skipping insertion in model container [2023-11-21 18:40:29,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:29" (1/1) ... [2023-11-21 18:40:29,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:30,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:30,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:30,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:30,103 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:30,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30 WrapperNode [2023-11-21 18:40:30,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:30,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:30,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:30,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:30,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,145 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2023-11-21 18:40:30,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:30,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:30,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:30,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:30,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:30,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:30,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:30,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:30,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:30,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:30,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:30,345 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:30,348 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:30,515 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:30,559 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:30,560 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:40:30,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:30 BoogieIcfgContainer [2023-11-21 18:40:30,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:30,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:30,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:30,587 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:30,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-21 18:40:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-21 18:40:30,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:30,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,917 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 18:40:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-21 18:40:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-21 18:40:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:30,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,039 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 18:40:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-21 18:40:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-21 18:40:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:31,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,195 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 18:40:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-21 18:40:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-21 18:40:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:31,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,279 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 18:40:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-21 18:40:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-21 18:40:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:31,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-21 18:40:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-21 18:40:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:31,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 18:40:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:40:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:31,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-21 18:40:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-21 18:40:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:31,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:40:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-21 18:40:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-21 18:40:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:32,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-21 18:40:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-21 18:40:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:32,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:40:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-21 18:40:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-21 18:40:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:32,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-21 18:40:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-21 18:40:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:33,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-21 18:40:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-21 18:40:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:34,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2023-11-21 18:40:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2023-11-21 18:40:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:34,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:40:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-11-21 18:40:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-11-21 18:40:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:34,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:40:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2023-11-21 18:40:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-11-21 18:40:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:35,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2023-11-21 18:40:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2023-11-21 18:40:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:35,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:40:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2023-11-21 18:40:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2023-11-21 18:40:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:36,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:40:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2023-11-21 18:40:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2023-11-21 18:40:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:37,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:40:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 81 states and 116 transitions. [2023-11-21 18:40:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-11-21 18:40:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:38,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:40:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2023-11-21 18:40:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2023-11-21 18:40:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:38,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:40:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 85 states and 118 transitions. [2023-11-21 18:40:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2023-11-21 18:40:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:39,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-11-21 18:40:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-11-21 18:40:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:39,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-21 18:40:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2023-11-21 18:40:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2023-11-21 18:40:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:39,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 18:40:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2023-11-21 18:40:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-21 18:40:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:41,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-21 18:40:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2023-11-21 18:40:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-21 18:40:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:41,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:40:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 89 states and 120 transitions. [2023-11-21 18:40:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2023-11-21 18:40:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:43,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:43,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-21 18:40:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2023-11-21 18:40:43,592 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2023-11-21 18:40:43,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:43,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:43,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-21 18:40:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2023-11-21 18:40:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2023-11-21 18:40:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:40:43,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:40:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2023-11-21 18:40:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2023-11-21 18:40:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:40:44,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:40:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 116 states and 160 transitions. [2023-11-21 18:40:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2023-11-21 18:40:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:40:48,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-21 18:40:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2023-11-21 18:40:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2023-11-21 18:40:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:40:52,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:40:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 141 states and 197 transitions. [2023-11-21 18:40:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 197 transitions. [2023-11-21 18:40:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:40:53,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:40:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 143 states and 198 transitions. [2023-11-21 18:40:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 198 transitions. [2023-11-21 18:40:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:40:53,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-21 18:40:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 145 states and 199 transitions. [2023-11-21 18:40:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 199 transitions. [2023-11-21 18:40:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:40:54,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-21 18:40:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 147 states and 200 transitions. [2023-11-21 18:40:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 200 transitions. [2023-11-21 18:40:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:40:54,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:40:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 148 states and 202 transitions. [2023-11-21 18:40:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2023-11-21 18:40:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:40:55,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-21 18:40:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 157 states and 214 transitions. [2023-11-21 18:40:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2023-11-21 18:40:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:40:57,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-21 18:40:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-11-21 18:40:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-11-21 18:40:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:40:59,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-21 18:41:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 168 states and 227 transitions. [2023-11-21 18:41:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 227 transitions. [2023-11-21 18:41:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:41:00,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:41:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2023-11-21 18:41:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2023-11-21 18:41:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:41:00,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-11-21 18:41:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 192 states and 264 transitions. [2023-11-21 18:41:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-21 18:41:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:41:07,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-21 18:41:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 194 states and 265 transitions. [2023-11-21 18:41:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 265 transitions. [2023-11-21 18:41:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:41:08,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-21 18:41:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 196 states and 266 transitions. [2023-11-21 18:41:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 266 transitions. [2023-11-21 18:41:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:41:09,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-11-21 18:41:09,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 196 states and 265 transitions. [2023-11-21 18:41:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2023-11-21 18:41:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:41:09,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2023-11-21 18:41:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2023-11-21 18:41:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2023-11-21 18:41:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:41:12,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:12,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-21 18:41:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2023-11-21 18:41:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2023-11-21 18:41:13,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:41:13,071 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2023-11-21 18:41:13,080 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:41:14,587 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-21 18:41:14,598 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-21 18:41:14,599 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-21 18:41:14,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:41:14 ImpRootNode [2023-11-21 18:41:14,600 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:41:14,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:41:14,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:41:14,602 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:41:14,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:30" (3/4) ... [2023-11-21 18:41:14,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:41:14,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 18:41:14,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:41:14,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:41:14,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:41:14,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:41:14,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:41:14,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:41:14,727 INFO L158 Benchmark]: Toolchain (without parser) took 44890.45ms. Allocated memory was 144.7MB in the beginning and 450.9MB in the end (delta: 306.2MB). Free memory was 112.2MB in the beginning and 322.2MB in the end (delta: -210.0MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,731 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:14,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.55ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 102.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 144.7MB. Free memory was 102.5MB in the beginning and 101.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:14,732 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,733 INFO L158 Benchmark]: RCFGBuilder took 387.69ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 88.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,734 INFO L158 Benchmark]: CodeCheck took 44037.35ms. Allocated memory was 144.7MB in the beginning and 450.9MB in the end (delta: 306.2MB). Free memory was 88.5MB in the beginning and 326.4MB in the end (delta: -238.0MB). Peak memory consumption was 265.4MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,738 INFO L158 Benchmark]: Witness Printer took 125.57ms. Allocated memory is still 450.9MB. Free memory was 326.4MB in the beginning and 322.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:14,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 42.5s, OverallIterations: 47, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8014 SdHoareTripleChecker+Valid, 43.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7269 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 35.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25759 IncrementalHoareTripleChecker+Invalid, 31075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5316 mSolverCounterUnsat, 274 mSDtfsCounter, 25759 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13492 GetRequests, 12526 SyntacticMatches, 382 SemanticMatches, 584 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177958 ImplicationChecksByTransitivity, 36.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1647 NumberOfCodeBlocks, 1647 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1601 ConstructedInterpolants, 0 QuantifiedInterpolants, 3847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 34 PerfectInterpolantSequences, 5292/5920 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((((((((b < 1) && (a <= 5)) && (1 <= a)) && (0 <= (b + 2147483648))) && (0 <= (c + 2147483648))) || (((((a <= 5) && (b <= 5)) && (1 <= b)) && (1 <= a)) && (0 <= (c + 2147483648)))) || (((((0 <= (a + 2147483648)) && (b <= 5)) && (1 <= b)) && (a < 1)) && (0 <= (c + 2147483648)))) || (((((b < 1) && (0 <= (a + 2147483648))) && (a < 1)) && (0 <= (b + 2147483648))) && (0 <= (c + 2147483648)))) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (0 <= (a + 2147483648)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((a <= 5) && (1 <= a)) && (0 <= (b + 2147483648))) || (((0 <= (a + 2147483648)) && (a < 1)) && (0 <= (b + 2147483648)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.55ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 102.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 144.7MB. Free memory was 102.5MB in the beginning and 101.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.69ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 88.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 44037.35ms. Allocated memory was 144.7MB in the beginning and 450.9MB in the end (delta: 306.2MB). Free memory was 88.5MB in the beginning and 326.4MB in the end (delta: -238.0MB). Peak memory consumption was 265.4MB. Max. memory is 16.1GB. * Witness Printer took 125.57ms. Allocated memory is still 450.9MB. Free memory was 326.4MB in the beginning and 322.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:41:14,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4bb2d9-a72d-4c05-8610-8f9654eac088/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE