./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/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_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/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_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/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 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:59,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:59,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:07:59,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:07:59,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:07:59,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:59,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:59,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:59,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:59,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:59,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:59,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:59,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:59,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:07:59,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:59,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:59,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:59,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:59,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:59,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:07:59,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:07:59,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:59,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:59,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:59,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:59,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:59,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:59,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:59,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:59,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:59,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:59,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:59,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:07:59,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:07:59,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:59,916 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_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 [2023-12-02 23:08:00,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:08:00,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:08:00,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:08:00,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:08:00,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:08:00,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loops/sum04-1.i [2023-12-02 23:08:02,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:08:03,144 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:08:03,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/sv-benchmarks/c/loops/sum04-1.i [2023-12-02 23:08:03,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/data/19f1d9934/829059d0d54e4bf894c8856e45ac1457/FLAGb0f19ef73 [2023-12-02 23:08:03,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/data/19f1d9934/829059d0d54e4bf894c8856e45ac1457 [2023-12-02 23:08:03,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:08:03,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:08:03,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:08:03,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:08:03,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:08:03,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9c2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03, skipping insertion in model container [2023-12-02 23:08:03,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:08:03,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:08:03,340 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:08:03,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:08:03,369 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:08:03,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03 WrapperNode [2023-12-02 23:08:03,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:08:03,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:08:03,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:08:03,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:08:03,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,403 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-12-02 23:08:03,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:08:03,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:08:03,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:08:03,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:08:03,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:08:03,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:08:03,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:08:03,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:08:03,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:08:03,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:08:03,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:08:03,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:08:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:08:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:08:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:08:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:08:03,561 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:08:03,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:08:03,668 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:08:03,710 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:08:03,711 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:08:03,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:03 BoogieIcfgContainer [2023-12-02 23:08:03,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:08:03,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:08:03,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:08:03,725 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:08:03,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:03" (1/1) ... [2023-12-02 23:08:03,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:08:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-12-02 23:08:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-12-02 23:08:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:08:03,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:03,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-02 23:08:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-02 23:08:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:08:04,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-12-02 23:08:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-12-02 23:08:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:08:04,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-02 23:08:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-02 23:08:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:08:04,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-12-02 23:08:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-02 23:08:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:08:04,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-12-02 23:08:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-02 23:08:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:08:04,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 23:08:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 23:08:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:08:04,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2023-12-02 23:08:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2023-12-02 23:08:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:08:04,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2023-12-02 23:08:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-12-02 23:08:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:08:05,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2023-12-02 23:08:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2023-12-02 23:08:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:08:05,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:05,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:08:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-12-02 23:08:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-12-02 23:08:06,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:08:06,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:08:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2023-12-02 23:08:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2023-12-02 23:08:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:08:06,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:06,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2023-12-02 23:08:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2023-12-02 23:08:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:08:07,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:07,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2023-12-02 23:08:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2023-12-02 23:08:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:08:07,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:08:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2023-12-02 23:08:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2023-12-02 23:08:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:08:08,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:08,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:08:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2023-12-02 23:08:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2023-12-02 23:08:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:08:08,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:08,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:08:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2023-12-02 23:08:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2023-12-02 23:08:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:08:08,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 115 transitions. [2023-12-02 23:08:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2023-12-02 23:08:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:08:08,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 118 transitions. [2023-12-02 23:08:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 118 transitions. [2023-12-02 23:08:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:08:09,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 122 transitions. [2023-12-02 23:08:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2023-12-02 23:08:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:08:09,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:08:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 120 transitions. [2023-12-02 23:08:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2023-12-02 23:08:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:08:09,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:09,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:08:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2023-12-02 23:08:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2023-12-02 23:08:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:08:10,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:08:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 75 states and 117 transitions. [2023-12-02 23:08:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-12-02 23:08:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:08:10,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:08:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2023-12-02 23:08:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-12-02 23:08:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:08:10,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:10,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:08:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 122 transitions. [2023-12-02 23:08:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2023-12-02 23:08:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:08:11,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:11,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2023-12-02 23:08:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2023-12-02 23:08:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:08:11,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:11,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2023-12-02 23:08:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-12-02 23:08:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:08:12,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 23:08:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2023-12-02 23:08:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2023-12-02 23:08:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:08:12,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2023-12-02 23:08:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2023-12-02 23:08:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:08:13,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 95 states and 143 transitions. [2023-12-02 23:08:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2023-12-02 23:08:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:08:13,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:08:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-12-02 23:08:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-12-02 23:08:13,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:08:13,797 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2023-12-02 23:08:13,804 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 23:08:14,052 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2023-12-02 23:08:14,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:08:14 ImpRootNode [2023-12-02 23:08:14,060 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:08:14,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:08:14,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:08:14,060 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:08:14,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:03" (3/4) ... [2023-12-02 23:08:14,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:08:14,068 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-02 23:08:14,068 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 23:08:14,068 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:08:14,069 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:08:14,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:08:14,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:08:14,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:08:14,154 INFO L158 Benchmark]: Toolchain (without parser) took 10988.68ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 109.6MB in the end (delta: 2.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,155 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:08:14,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.75ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 102.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.27ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,156 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 99.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,157 INFO L158 Benchmark]: RCFGBuilder took 288.70ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 88.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,157 INFO L158 Benchmark]: CodeCheck took 10346.05ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 88.1MB in the beginning and 113.7MB in the end (delta: -25.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,158 INFO L158 Benchmark]: Witness Printer took 93.55ms. Allocated memory is still 176.2MB. Free memory was 113.7MB in the beginning and 109.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:08:14,160 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3038 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2779 mSDsluCounter, 836 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 540 mSDsCounter, 2113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9374 IncrementalHoareTripleChecker+Invalid, 11487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2113 mSolverCounterUnsat, 296 mSDtfsCounter, 9374 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4526 GetRequests, 4086 SyntacticMatches, 196 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32187 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 551 NumberOfCodeBlocks, 551 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 1305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 15 PerfectInterpolantSequences, 263/520 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((sn < 2) && (2 < i)) && (0 <= (sn + 2147483648))) || (((4 < sn) && (3 < i)) && (sn <= 6))) || (((sn <= 2) && (2 <= sn)) && (2 <= i))) || (((sn <= 4) && (2 <= sn)) && (2 < i))) || ((i == 1) && (sn == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.75ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 102.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.27ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 99.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.70ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 88.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 10346.05ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 88.1MB in the beginning and 113.7MB in the end (delta: -25.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 93.55ms. Allocated memory is still 176.2MB. Free memory was 113.7MB in the beginning and 109.6MB 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! [2023-12-02 23:08:14,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac080bfc-2382-4e38-89dd-5a9412ea4fbe/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