./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:09,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:09,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:46:09,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:09,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:09,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:09,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:09,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:09,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:09,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:09,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:09,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:09,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:09,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:09,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:09,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:09,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:09,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:09,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:09,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:09,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:09,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:09,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:09,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:09,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:09,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:09,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:09,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:09,236 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:09,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:09,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:09,239 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_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b [2023-11-11 23:46:09,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:09,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:09,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:09,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:09,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:09,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2023-11-11 23:46:12,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:13,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:13,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2023-11-11 23:46:13,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/data/57a68c9c3/f63b6a717d7e40e1ba707af25d752575/FLAGcc7a06a1a [2023-11-11 23:46:13,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/data/57a68c9c3/f63b6a717d7e40e1ba707af25d752575 [2023-11-11 23:46:13,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:13,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:13,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:13,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:13,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:13,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c947b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13, skipping insertion in model container [2023-11-11 23:46:13,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:13,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:13,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:13,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:13,753 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:13,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13 WrapperNode [2023-11-11 23:46:13,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:13,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:13,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:13,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:13,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,814 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-11-11 23:46:13,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:13,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:13,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:13,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:13,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:13,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:13,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:13,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:13,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:13" (1/1) ... [2023-11-11 23:46:13,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:13,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:13,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:13,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a17e6bf-b827-40bd-9b96-c09f04e3f34f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:46:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:46:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:14,035 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:14,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:14,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:14,316 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:14,317 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:46:14,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:14 BoogieIcfgContainer [2023-11-11 23:46:14,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:14,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:14,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:14,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:14,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:14" (1/1) ... [2023-11-11 23:46:14,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:46:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:46:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:46:14,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:14,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-11 23:46:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-11 23:46:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:46:15,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-11 23:46:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-11 23:46:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:46:16,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:16,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-11 23:46:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-11 23:46:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:46:17,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2023-11-11 23:46:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-11 23:46:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:46:17,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:17,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2023-11-11 23:46:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2023-11-11 23:46:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:46:18,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2023-11-11 23:46:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2023-11-11 23:46:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:46:21,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:21,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-11 23:46:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-11 23:46:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:46:22,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:22,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2023-11-11 23:46:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2023-11-11 23:46:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:46:25,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:25,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2023-11-11 23:46:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2023-11-11 23:46:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:46:27,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2023-11-11 23:46:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2023-11-11 23:46:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:46:31,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:31,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2023-11-11 23:46:32,646 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2023-11-11 23:46:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:46:32,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:32,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 70 states and 142 transitions. [2023-11-11 23:46:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 142 transitions. [2023-11-11 23:46:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:46:33,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:33,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 145 transitions. [2023-11-11 23:46:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 145 transitions. [2023-11-11 23:46:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:46:34,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 150 transitions. [2023-11-11 23:46:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2023-11-11 23:46:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:46:36,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2023-11-11 23:46:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2023-11-11 23:46:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:46:36,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 88 states and 187 transitions. [2023-11-11 23:46:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2023-11-11 23:46:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:46:45,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 89 states and 188 transitions. [2023-11-11 23:46:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 188 transitions. [2023-11-11 23:46:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:46:46,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 95 states and 206 transitions. [2023-11-11 23:46:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 206 transitions. [2023-11-11 23:46:53,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:46:53,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:53,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:46:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 101 states and 215 transitions. [2023-11-11 23:46:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 215 transitions. [2023-11-11 23:46:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:46:59,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.