./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 0e0057cc 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_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:00:45,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:00:45,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:00:45,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:00:45,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:00:45,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:00:45,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:00:45,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:00:45,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:00:45,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:00:45,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:00:45,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:00:45,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:00:45,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:00:45,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:00:45,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:00:45,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:00:45,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:00:45,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:00:45,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:00:45,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:00:45,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:00:45,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:00:45,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:00:45,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:00:45,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:00:45,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:00:45,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:00:45,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:00:45,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:00:45,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:00:45,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:00:45,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:00:45,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:00:45,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:00:45,802 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_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 [2023-12-03 04:00:46,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:00:46,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:00:46,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:00:46,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:00:46,040 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:00:46,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-simple/nested_3.c [2023-12-03 04:00:48,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:00:48,942 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:00:48,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/sv-benchmarks/c/loop-simple/nested_3.c [2023-12-03 04:00:48,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/data/572f102d8/86a3752158b54844af8c814f0aa92ef4/FLAGdc8ea7a1e [2023-12-03 04:00:48,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/data/572f102d8/86a3752158b54844af8c814f0aa92ef4 [2023-12-03 04:00:48,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:00:48,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:00:48,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:00:48,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:00:48,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:00:48,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:00:48" (1/1) ... [2023-12-03 04:00:48,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f2a1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:48, skipping insertion in model container [2023-12-03 04:00:48,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:00:48" (1/1) ... [2023-12-03 04:00:49,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:00:49,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:00:49,166 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:00:49,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:00:49,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:00:49,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49 WrapperNode [2023-12-03 04:00:49,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:00:49,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:00:49,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:00:49,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:00:49,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,229 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2023-12-03 04:00:49,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:00:49,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:00:49,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:00:49,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:00:49,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:00:49,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:00:49,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:00:49,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:00:49,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:00:49,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:00:49,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:00:49,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:00:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:00:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:00:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:00:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:00:49,385 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:00:49,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:00:49,500 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:00:49,536 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:00:49,536 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 04:00:49,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:00:49 BoogieIcfgContainer [2023-12-03 04:00:49,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:00:49,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:00:49,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:00:49,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:00:49,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:00:49" (1/1) ... [2023-12-03 04:00:49,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:00:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-12-03 04:00:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-12-03 04:00:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:00:49,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 04:00:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 04:00:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:00:49,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 04:00:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 04:00:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:00:49,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:49,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 04:00:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 04:00:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:00:49,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-12-03 04:00:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-03 04:00:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:00:49,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 04:00:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 04:00:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:00:50,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-12-03 04:00:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-12-03 04:00:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:00:50,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:50,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:00:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-03 04:00:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 04:00:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:00:50,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:00:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-12-03 04:00:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-12-03 04:00:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:00:50,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:50,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:00:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-12-03 04:00:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-12-03 04:00:51,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:00:51,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:51,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:00:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-12-03 04:00:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-12-03 04:00:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:00:51,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:51,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:00:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-12-03 04:00:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-12-03 04:00:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:00:51,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:00:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-12-03 04:00:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-12-03 04:00:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:00:52,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:00:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2023-12-03 04:00:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2023-12-03 04:00:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:00:52,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:52,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 04:00:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-12-03 04:00:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-12-03 04:00:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:00:52,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:00:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2023-12-03 04:00:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-12-03 04:00:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:00:53,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 04:00:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2023-12-03 04:00:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2023-12-03 04:00:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:00:53,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:00:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2023-12-03 04:00:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2023-12-03 04:00:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:00:54,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 04:00:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2023-12-03 04:00:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2023-12-03 04:00:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:00:54,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:54,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 04:00:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 81 states and 116 transitions. [2023-12-03 04:00:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-12-03 04:00:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:00:55,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:55,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:00:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2023-12-03 04:00:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2023-12-03 04:00:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:00:55,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:55,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-03 04:00:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 85 states and 118 transitions. [2023-12-03 04:00:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2023-12-03 04:00:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:00:55,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:55,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:00:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-12-03 04:00:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-12-03 04:00:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:00:56,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:56,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 04:00:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2023-12-03 04:00:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-12-03 04:00:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:00:57,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:57,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:00:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2023-12-03 04:00:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2023-12-03 04:00:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:00:57,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:57,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-03 04:00:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 96 states and 135 transitions. [2023-12-03 04:00:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2023-12-03 04:00:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:00:58,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:58,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:00:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 104 states and 147 transitions. [2023-12-03 04:00:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2023-12-03 04:00:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 04:00:59,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 04:00:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 106 states and 148 transitions. [2023-12-03 04:00:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2023-12-03 04:00:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:00:59,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 04:00:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2023-12-03 04:00:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2023-12-03 04:00:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:00:59,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 04:00:59,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:59,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2023-12-03 04:00:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2023-12-03 04:00:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:00:59,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:59,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-03 04:01:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2023-12-03 04:01:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2023-12-03 04:01:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:01:00,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:00,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-03 04:01:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 116 states and 160 transitions. [2023-12-03 04:01:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2023-12-03 04:01:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:01:03,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-03 04:01:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2023-12-03 04:01:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2023-12-03 04:01:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:01:06,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:01:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 141 states and 197 transitions. [2023-12-03 04:01:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 197 transitions. [2023-12-03 04:01:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:01:07,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:07,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 04:01:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 143 states and 198 transitions. [2023-12-03 04:01:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 198 transitions. [2023-12-03 04:01:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 04:01:07,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-03 04:01:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 145 states and 199 transitions. [2023-12-03 04:01:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 199 transitions. [2023-12-03 04:01:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 04:01:08,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-03 04:01:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 147 states and 200 transitions. [2023-12-03 04:01:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 200 transitions. [2023-12-03 04:01:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:01:08,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:08,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 04:01:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 148 states and 202 transitions. [2023-12-03 04:01:09,007 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2023-12-03 04:01:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:01:09,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:09,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-12-03 04:01:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 157 states and 214 transitions. [2023-12-03 04:01:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2023-12-03 04:01:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:01:10,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-03 04:01:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-12-03 04:01:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-12-03 04:01:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:01:12,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:12,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-12-03 04:01:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 168 states and 227 transitions. [2023-12-03 04:01:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 227 transitions. [2023-12-03 04:01:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:01:13,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-03 04:01:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2023-12-03 04:01:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2023-12-03 04:01:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:01:13,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-12-03 04:01:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 192 states and 264 transitions. [2023-12-03 04:01:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-12-03 04:01:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:01:18,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:18,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-12-03 04:01:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 194 states and 265 transitions. [2023-12-03 04:01:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 265 transitions. [2023-12-03 04:01:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:01:19,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-12-03 04:01:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 196 states and 266 transitions. [2023-12-03 04:01:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 266 transitions. [2023-12-03 04:01:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 04:01:19,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:19,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-12-03 04:01:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 196 states and 265 transitions. [2023-12-03 04:01:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2023-12-03 04:01:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:01:20,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:20,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2023-12-03 04:01:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2023-12-03 04:01:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2023-12-03 04:01:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:01:22,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:22,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-12-03 04:01:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2023-12-03 04:01:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2023-12-03 04:01:23,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:01:23,106 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2023-12-03 04:01:23,113 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-12-03 04:01:24,293 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-12-03 04:01:24,301 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-03 04:01:24,301 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-12-03 04:01:24,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:01:24 ImpRootNode [2023-12-03 04:01:24,302 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:01:24,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:01:24,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:01:24,303 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:01:24,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:00:49" (3/4) ... [2023-12-03 04:01:24,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:01:24,310 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 04:01:24,310 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 04:01:24,310 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:01:24,311 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:01:24,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:01:24,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:01:24,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:01:24,396 INFO L158 Benchmark]: Toolchain (without parser) took 35425.50ms. Allocated memory was 132.1MB in the beginning and 406.8MB in the end (delta: 274.7MB). Free memory was 101.9MB in the beginning and 285.7MB in the end (delta: -183.8MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,397 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:24,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.09ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 91.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.96ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,398 INFO L158 Benchmark]: Boogie Preprocessor took 20.70ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:24,399 INFO L158 Benchmark]: RCFGBuilder took 285.45ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 77.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,399 INFO L158 Benchmark]: CodeCheck took 34763.87ms. Allocated memory was 132.1MB in the beginning and 406.8MB in the end (delta: 274.7MB). Free memory was 77.8MB in the beginning and 289.8MB in the end (delta: -212.0MB). Peak memory consumption was 207.2MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,400 INFO L158 Benchmark]: Witness Printer took 92.95ms. Allocated memory is still 406.8MB. Free memory was 289.8MB in the beginning and 285.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:01:24,402 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: 33.5s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8246 SdHoareTripleChecker+Valid, 31.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7484 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5546 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26582 IncrementalHoareTripleChecker+Invalid, 32128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5546 mSolverCounterUnsat, 280 mSDtfsCounter, 26582 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13845 GetRequests, 12873 SyntacticMatches, 384 SemanticMatches, 588 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180394 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 1645 ConstructedInterpolants, 0 QuantifiedInterpolants, 3903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 35 PerfectInterpolantSequences, 5439/6067 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 0.22ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.09ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 91.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.96ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.70ms. Allocated memory is still 132.1MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.45ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 77.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 34763.87ms. Allocated memory was 132.1MB in the beginning and 406.8MB in the end (delta: 274.7MB). Free memory was 77.8MB in the beginning and 289.8MB in the end (delta: -212.0MB). Peak memory consumption was 207.2MB. Max. memory is 16.1GB. * Witness Printer took 92.95ms. Allocated memory is still 406.8MB. Free memory was 289.8MB in the beginning and 285.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:01:24,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a3eeb0-20f3-4503-85b7-b4cf0a7107c5/bin/ukojak-verify-Qdu7aM0XO9/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