./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC --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 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:31,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:31,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:31,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:31,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:31,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:31,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:31,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:31,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:31,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:31,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:31,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:31,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:31,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:31,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:31,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:31,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:31,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:31,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:31,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:31,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:31,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:31,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:31,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:31,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:31,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:31,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:31,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:31,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:31,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:31,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:31,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:31,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:31,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:31,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:31,495 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_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 [2023-11-23 19:56:31,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:31,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:31,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:31,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:31,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:31,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2023-11-23 19:56:35,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:35,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:35,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2023-11-23 19:56:35,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/data/8e4454af0/8bb3286452b949bda19bc41b17f55146/FLAGf17bfb0fb [2023-11-23 19:56:35,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/data/8e4454af0/8bb3286452b949bda19bc41b17f55146 [2023-11-23 19:56:35,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:35,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:35,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:35,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:35,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:35,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e1293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35, skipping insertion in model container [2023-11-23 19:56:35,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:35,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:35,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:35,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:35,770 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:35,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35 WrapperNode [2023-11-23 19:56:35,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:35,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:35,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:35,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:35,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,815 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2023-11-23 19:56:35,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:35,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:35,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:35,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:35,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:35,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:35,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:35,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:35,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:35" (1/1) ... [2023-11-23 19:56:35,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:35,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:35,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b91bd27-7f6e-4ca0-9084-496e7df5a4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:56:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:56:36,015 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:36,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:36,156 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:36,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:36,205 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 19:56:36,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:36 BoogieIcfgContainer [2023-11-23 19:56:36,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:36,208 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:36,208 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:36,221 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:36,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:36" (1/1) ... [2023-11-23 19:56:36,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 19:56:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 19:56:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:56:36,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:36,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-23 19:56:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-23 19:56:36,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:56:36,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:36,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-23 19:56:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-23 19:56:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:56:36,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-23 19:56:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-23 19:56:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:56:37,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-23 19:56:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-23 19:56:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:56:37,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 41 transitions. [2023-11-23 19:56:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-23 19:56:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:38,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:38,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 53 transitions. [2023-11-23 19:56:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-23 19:56:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:56:38,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 65 transitions. [2023-11-23 19:56:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-23 19:56:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 19:56:39,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 19:56:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 77 transitions. [2023-11-23 19:56:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2023-11-23 19:56:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 19:56:40,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:40,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 19:56:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 62 states and 89 transitions. [2023-11-23 19:56:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-11-23 19:56:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 19:56:41,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:41,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 19:56:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 101 transitions. [2023-11-23 19:56:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2023-11-23 19:56:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 19:56:42,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:42,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 19:56:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 113 transitions. [2023-11-23 19:56:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2023-11-23 19:56:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 19:56:43,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-23 19:56:44,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 125 transitions. [2023-11-23 19:56:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2023-11-23 19:56:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-23 19:56:44,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 19:56:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 137 transitions. [2023-11-23 19:56:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2023-11-23 19:56:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 19:56:46,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 440 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 19:56:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 149 transitions. [2023-11-23 19:56:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-23 19:56:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 19:56:47,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-23 19:56:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 161 transitions. [2023-11-23 19:56:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-11-23 19:56:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 19:56:49,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 0 proven. 624 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 19:56:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 118 states and 173 transitions. [2023-11-23 19:56:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2023-11-23 19:56:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-23 19:56:51,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-23 19:56:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 126 states and 185 transitions. [2023-11-23 19:56:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-23 19:56:54,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 19:56:54,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 19:56:56,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:56,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 197 transitions. [2023-11-23 19:56:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2023-11-23 19:56:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-23 19:56:56,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-23 19:56:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 209 transitions. [2023-11-23 19:56:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2023-11-23 19:56:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 19:56:59,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:59,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 0 proven. 1088 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-23 19:57:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 221 transitions. [2023-11-23 19:57:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 221 transitions. [2023-11-23 19:57:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-23 19:57:03,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1224 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-11-23 19:57:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 158 states and 233 transitions. [2023-11-23 19:57:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2023-11-23 19:57:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-23 19:57:06,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:06,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2774 backedges. 0 proven. 1368 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 19:57:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 166 states and 245 transitions. [2023-11-23 19:57:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2023-11-23 19:57:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-23 19:57:10,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:10,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-23 19:57:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 174 states and 257 transitions. [2023-11-23 19:57:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2023-11-23 19:57:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-23 19:57:14,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:14,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat