./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/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 dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:37:43,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:37:43,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:37:43,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:37:43,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:37:43,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:37:43,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:37:43,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:37:43,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:37:43,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:37:43,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:37:43,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:37:43,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:37:43,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:37:43,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:37:43,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:37:43,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:37:43,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:37:43,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:37:43,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:37:43,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:37:43,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:37:43,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:37:43,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:37:43,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:37:43,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:37:43,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:37:43,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:37:43,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:37:43,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:37:43,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:37:43,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:37:43,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:37:43,344 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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 [2024-11-08 22:37:43,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:37:43,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:37:43,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:37:43,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:37:43,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:37:43,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c Unable to find full path for "g++" [2024-11-08 22:37:45,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:37:45,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:37:45,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c [2024-11-08 22:37:45,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/data/f8adc030f/e0db7c2e6ee845aab5b0e01f5023f344/FLAG3c5341d63 [2024-11-08 22:37:45,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/data/f8adc030f/e0db7c2e6ee845aab5b0e01f5023f344 [2024-11-08 22:37:45,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:37:45,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:37:45,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:37:45,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:37:45,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:37:45,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:37:45" (1/1) ... [2024-11-08 22:37:45,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dbe6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:45, skipping insertion in model container [2024-11-08 22:37:45,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:37:45" (1/1) ... [2024-11-08 22:37:45,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:37:46,148 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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-11-08 22:37:46,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:37:46,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:37:46,199 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_c61076c7-7c10-4eae-a42e-9fc30335f5b6/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-11-08 22:37:46,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:37:46,238 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:37:46,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46 WrapperNode [2024-11-08 22:37:46,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:37:46,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:37:46,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:37:46,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:37:46,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,278 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-08 22:37:46,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:37:46,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:37:46,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:37:46,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:37:46,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:37:46,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:37:46,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:37:46,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:37:46,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:37:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:37:46,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:37:46,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61076c7-7c10-4eae-a42e-9fc30335f5b6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-08 22:37:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-08 22:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:37:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-08 22:37:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-08 22:37:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:37:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:37:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:37:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:37:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:37:46,487 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:37:46,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:37:46,802 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:37:46,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:37:46,886 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:37:46,887 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:37:46,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:37:46 BoogieIcfgContainer [2024-11-08 22:37:46,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:37:46,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:37:46,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:37:46,905 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:37:46,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:37:46" (1/1) ... [2024-11-08 22:37:46,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:37:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-08 22:37:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-08 22:37:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:46,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 58 transitions. [2024-11-08 22:37:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-08 22:37:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:37:48,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:48,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 64 transitions. [2024-11-08 22:37:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2024-11-08 22:37:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:37:51,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:51,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 22:37:51,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:51,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:37:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:41:17,535 WARN L286 SmtUtils]: Spent 3.43m on a formula simplification. DAG size of input: 463 DAG size of output: 143 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-08 22:41:17,536 INFO L349 Elim1Store]: treesize reduction 2664, result has 19.6 percent of original size [2024-11-08 22:41:17,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 18 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 21 new quantified variables, introduced 36 case distinctions, treesize of input 3318 treesize of output 7222 [2024-11-08 22:41:25,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2024-11-08 22:41:29,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 68 [2024-11-08 22:41:31,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 54 [2024-11-08 22:41:37,094 INFO L224 Elim1Store]: Index analysis took 1849 ms [2024-11-08 22:41:42,744 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 33 DAG size of output: 21 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-08 22:41:42,744 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-08 22:41:42,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3700 treesize of output 3680 [2024-11-08 22:43:07,322 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:43:24,136 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:44:36,297 INFO L224 Elim1Store]: Index analysis took 119 ms [2024-11-08 22:44:36,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 117 [2024-11-08 22:44:41,344 INFO L224 Elim1Store]: Index analysis took 112 ms [2024-11-08 22:44:41,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 117 [2024-11-08 22:44:44,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 117 [2024-11-08 22:44:51,095 INFO L224 Elim1Store]: Index analysis took 319 ms [2024-11-08 22:44:51,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 226 [2024-11-08 22:45:15,792 INFO L224 Elim1Store]: Index analysis took 246 ms [2024-11-08 22:45:15,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 226 [2024-11-08 22:46:51,481 INFO L224 Elim1Store]: Index analysis took 411 ms [2024-11-08 22:46:51,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 226 [2024-11-08 22:47:12,837 INFO L224 Elim1Store]: Index analysis took 451 ms [2024-11-08 22:47:13,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 226 [2024-11-08 22:47:40,508 INFO L224 Elim1Store]: Index analysis took 445 ms [2024-11-08 22:47:40,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 226 [2024-11-08 22:48:47,242 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:48:47,280 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4266 [2024-11-08 22:50:38,583 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:50:38,602 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2511 [2024-11-08 22:52:34,466 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:52:37,210 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:52:37,221 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2807