./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/nested-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/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_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/nested-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3baf312ca85439572472b3c02ed304b3157fa97373d6ada535e5a723c6c0219a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:35,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:35,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:22:35,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:35,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:35,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:35,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:35,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:35,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:35,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:35,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:35,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:35,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:35,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:35,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:35,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:35,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:35,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:35,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:35,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:35,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:35,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:35,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:35,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:35,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:35,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:35,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:35,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:35,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:35,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:35,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:35,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:35,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:35,639 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_0b90f364-f3d2-4094-93dc-9678764f8f2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3baf312ca85439572472b3c02ed304b3157fa97373d6ada535e5a723c6c0219a [2023-11-23 20:22:35,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:36,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:36,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:36,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:36,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:36,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-new/nested-1.i [2023-11-23 20:22:39,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:39,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:39,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/sv-benchmarks/c/loop-new/nested-1.i [2023-11-23 20:22:39,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/data/bae9cce55/741c61c46873424fb252e7c2b87cca84/FLAG7a865901e [2023-11-23 20:22:39,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/data/bae9cce55/741c61c46873424fb252e7c2b87cca84 [2023-11-23 20:22:39,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:39,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:39,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:39,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:39,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:39,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685b4a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39, skipping insertion in model container [2023-11-23 20:22:39,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:39,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/sv-benchmarks/c/loop-new/nested-1.i[891,904] [2023-11-23 20:22:39,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:39,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:39,852 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/sv-benchmarks/c/loop-new/nested-1.i[891,904] [2023-11-23 20:22:39,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:39,888 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:39,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39 WrapperNode [2023-11-23 20:22:39,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:39,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:39,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:39,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:39,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,938 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2023-11-23 20:22:39,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:39,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:39,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:39,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:39,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:39,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:40,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:40,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:40,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:40,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:40,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:40,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b90f364-f3d2-4094-93dc-9678764f8f2f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:40,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:40,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:40,410 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:40,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:40,451 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:22:40,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:40 BoogieIcfgContainer [2023-11-23 20:22:40,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:40,455 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:40,455 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:40,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:40,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-23 20:22:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-23 20:22:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:40,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-23 20:22:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-23 20:22:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:22:41,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-23 20:22:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-23 20:22:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:22:41,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2023-11-23 20:22:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2023-11-23 20:22:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:22:41,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2023-11-23 20:22:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2023-11-23 20:22:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:22:41,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-23 20:22:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-23 20:22:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:22:42,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2023-11-23 20:22:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2023-11-23 20:22:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:22:42,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2023-11-23 20:22:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2023-11-23 20:22:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:42,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-11-23 20:22:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-11-23 20:22:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:22:42,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2023-11-23 20:22:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2023-11-23 20:22:43,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:43,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 46 transitions. [2023-11-23 20:22:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 46 transitions. [2023-11-23 20:22:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:43,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2023-11-23 20:22:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2023-11-23 20:22:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:43,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-23 20:22:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2023-11-23 20:22:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2023-11-23 20:22:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:45,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:45,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:22:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-11-23 20:22:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-23 20:22:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:48,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:48,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-23 20:22:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-11-23 20:22:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-11-23 20:22:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:22:51,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-23 20:22:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:54,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2023-11-23 20:22:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-23 20:22:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:22:54,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:54,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-23 20:22:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2023-11-23 20:22:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2023-11-23 20:22:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:22:58,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:58,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2023-11-23 20:23:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2023-11-23 20:23:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-23 20:23:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:23:02,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:23:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2023-11-23 20:23:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2023-11-23 20:23:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:23:07,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2023-11-23 20:23:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2023-11-23 20:23:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-23 20:23:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:23:11,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-11-23 20:23:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2023-11-23 20:23:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2023-11-23 20:23:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:23:17,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:17,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2023-11-23 20:23:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2023-11-23 20:23:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-11-23 20:23:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:23:22,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-23 20:23:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2023-11-23 20:23:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-11-23 20:23:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:23:29,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:29,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2239 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked.