./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk --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 d7249a4084734468a9df38189de6441ee3548af581a8047a10bfcd263bdf18bd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:07:40,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:40,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:07:40,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:07:40,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:07:40,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:40,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:40,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:07:40,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:40,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:40,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:40,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:40,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:07:40,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:07:40,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:07:40,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:40,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:40,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:40,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:40,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:40,282 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:07:40,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:40,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:40,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:07:40,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:07:40,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:07:40,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:40,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:40,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:40,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:40,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:40,289 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:07:40,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:07:40,290 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_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7249a4084734468a9df38189de6441ee3548af581a8047a10bfcd263bdf18bd [2024-11-08 23:07:40,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:40,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:40,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:40,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:40,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:40,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i Unable to find full path for "g++" [2024-11-08 23:07:42,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:43,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:43,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i [2024-11-08 23:07:43,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/data/57333f538/e5c9316590d2478aab1ad98d47750c33/FLAG41756c025 [2024-11-08 23:07:43,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/data/57333f538/e5c9316590d2478aab1ad98d47750c33 [2024-11-08 23:07:43,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:43,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:43,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:43,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:43,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:43,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f309221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43, skipping insertion in model container [2024-11-08 23:07:43,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:43,311 WARN L250 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_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i[917,930] [2024-11-08 23:07:43,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:43,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:43,408 WARN L250 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_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-90.i[917,930] [2024-11-08 23:07:43,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:43,479 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:43,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43 WrapperNode [2024-11-08 23:07:43,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:43,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:43,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:43,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:43,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,554 INFO L138 Inliner]: procedures = 26, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2024-11-08 23:07:43,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:43,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:43,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:43,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:43,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:43,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:43,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:43,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:43,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:43" (1/1) ... [2024-11-08 23:07:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:07:43,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:43,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740ab0b3-12f6-4ad7-8de2-18bbb51cc8f4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:07:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:07:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:07:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:07:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:07:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:43,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:43,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:07:44,600 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-08 23:07:44,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:07:45,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:07:45,299 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:07:45,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:45 BoogieIcfgContainer [2024-11-08 23:07:45,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:07:45,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:07:45,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:07:45,314 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:07:45,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:45" (1/1) ... [2024-11-08 23:07:45,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2024-11-08 23:07:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-08 23:07:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 23:07:45,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 28 proven. 47 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-08 23:09:20,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:09:40,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:09:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2024-11-08 23:09:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2024-11-08 23:09:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 23:09:41,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:41,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 20 proven. 71 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-08 23:12:25,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:12:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2024-11-08 23:12:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2024-11-08 23:12:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-08 23:12:26,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 187 proven. 108 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2024-11-08 23:17:11,509 WARN L286 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 198 DAG size of output: 174 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:17:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 200 states and 362 transitions. [2024-11-08 23:17:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 362 transitions. [2024-11-08 23:17:48,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-08 23:17:48,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:48,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:32,903 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:20:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3667 backedges. 252 proven. 150 refuted. 0 times theorem prover too weak. 3265 trivial. 0 not checked.