./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.01-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_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/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_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.01-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/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_fe5bc80f-5c31-447e-bc88-c171e58144b4/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 c994ac84f704310f86b6de2d86d8b7f67d4998f02f9723cbf53fa381c3e606ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:20,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:20,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:06:20,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:20,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:20,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:20,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:20,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:20,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:20,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:20,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:20,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:20,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:20,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:20,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:20,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:20,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:20,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:20,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:20,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:20,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:20,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:20,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:20,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:20,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:20,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:20,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:20,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:20,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:20,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:20,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:20,294 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_fe5bc80f-5c31-447e-bc88-c171e58144b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c994ac84f704310f86b6de2d86d8b7f67d4998f02f9723cbf53fa381c3e606ea [2023-11-12 00:06:20,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:20,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:20,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:20,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:20,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:20,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/a.01-alloca.i [2023-11-12 00:06:23,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:24,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:24,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/sv-benchmarks/c/termination-memory-alloca/a.01-alloca.i [2023-11-12 00:06:24,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/data/582471e7c/5735ae81d08b43aeacd7eaf0f5358a93/FLAG562c26758 [2023-11-12 00:06:24,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/data/582471e7c/5735ae81d08b43aeacd7eaf0f5358a93 [2023-11-12 00:06:24,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:24,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:24,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:24,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:24,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:24,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f4dacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24, skipping insertion in model container [2023-11-12 00:06:24,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:24,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:24,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:24,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:24,760 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:24,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24 WrapperNode [2023-11-12 00:06:24,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:24,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:24,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:24,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:24,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,807 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-11-12 00:06:24,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:24,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:24,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:24,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:24,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:24,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:24,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:24,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:24,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:24" (1/1) ... [2023-11-12 00:06:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:24,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:24,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:24,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bc80f-5c31-447e-bc88-c171e58144b4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:25,089 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:25,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:25,292 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:25,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:25,344 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:06:25,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:25 BoogieIcfgContainer [2023-11-12 00:06:25,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:25,348 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:25,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:25,359 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:25,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:25" (1/1) ... [2023-11-12 00:06:25,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-12 00:06:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-12 00:06:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:06:25,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:25,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-12 00:06:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-12 00:06:26,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:06:26,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:26,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-12 00:06:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-12 00:06:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:06:27,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-12 00:06:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-12 00:06:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:06:27,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-12 00:06:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-12 00:06:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:06:27,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:27,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-12 00:06:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-12 00:06:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:06:28,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2023-11-12 00:06:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2023-11-12 00:06:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:06:29,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2023-11-12 00:06:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2023-11-12 00:06:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:06:30,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:30,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2023-11-12 00:06:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-11-12 00:06:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:06:31,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2023-11-12 00:06:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-12 00:06:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:06:32,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2023-11-12 00:06:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2023-11-12 00:06:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:06:35,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:35,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2023-11-12 00:06:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2023-11-12 00:06:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:06:37,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2023-11-12 00:06:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2023-11-12 00:06:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:06:38,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2023-11-12 00:06:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2023-11-12 00:06:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:39,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:39,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:40,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 58 states and 106 transitions. [2023-11-12 00:06:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 106 transitions. [2023-11-12 00:06:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:42,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:42,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2023-11-12 00:06:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2023-11-12 00:06:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:06:44,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:44,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2023-11-12 00:06:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2023-11-12 00:06:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:06:46,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2023-11-12 00:06:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2023-11-12 00:06:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:06:49,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:49,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2023-11-12 00:06:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-12 00:06:52,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:06:52,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:52,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2023-11-12 00:06:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2023-11-12 00:06:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:06:56,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 158 transitions. [2023-11-12 00:06:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 158 transitions. [2023-11-12 00:06:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:06:58,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:58,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 82 states and 165 transitions. [2023-11-12 00:07:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 165 transitions. [2023-11-12 00:07:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:07:02,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:02,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2023-11-12 00:07:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2023-11-12 00:07:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:07:05,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:05,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 55 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 183 transitions. [2023-11-12 00:07:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 183 transitions. [2023-11-12 00:07:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:07:10,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:10,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.