./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b --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 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:15:39,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:15:39,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:15:39,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:15:39,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:15:39,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:15:39,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:15:39,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:15:39,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:15:39,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:15:39,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:15:39,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:15:39,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:15:39,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:39,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:15:39,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:15:39,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:15:39,252 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:15:39,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:15:39,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b 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 -> 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c [2024-12-06 04:15:39,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:15:39,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:15:39,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:15:39,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:15:39,500 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:15:39,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2024-12-06 04:15:42,131 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/data/3dccea0fe/19c5c11f82b048d39852997a2325dc86/FLAGb9522c4a8 [2024-12-06 04:15:42,295 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:15:42,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2024-12-06 04:15:42,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/data/3dccea0fe/19c5c11f82b048d39852997a2325dc86/FLAGb9522c4a8 [2024-12-06 04:15:42,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/data/3dccea0fe/19c5c11f82b048d39852997a2325dc86 [2024-12-06 04:15:42,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:15:42,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:15:42,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:42,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:15:42,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:15:42,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e5f74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42, skipping insertion in model container [2024-12-06 04:15:42,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:15:42,793 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_e13eb71b-d303-48e5-a9fa-634052a59171/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c[1060,1073] [2024-12-06 04:15:42,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:42,818 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:15:42,828 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_e13eb71b-d303-48e5-a9fa-634052a59171/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c[1060,1073] [2024-12-06 04:15:42,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:42,851 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:15:42,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42 WrapperNode [2024-12-06 04:15:42,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:42,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:42,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:15:42,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:15:42,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,881 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-12-06 04:15:42,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:42,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:15:42,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:15:42,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:15:42,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:15:42,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:15:42,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:15:42,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:15:42,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:42" (1/1) ... [2024-12-06 04:15:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:42,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:15:42,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:15:42,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13eb71b-d303-48e5-a9fa-634052a59171/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:15:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:15:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:15:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 04:15:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:15:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:15:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:15:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:15:43,030 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:15:43,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:15:43,186 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 04:15:43,186 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:43,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:43,221 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:15:43,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:43 BoogieIcfgContainer [2024-12-06 04:15:43,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:43,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:43,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:43,232 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:43,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:43" (1/1) ... [2024-12-06 04:15:43,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-12-06 04:15:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-12-06 04:15:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:15:43,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:43,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:43,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 04:15:43,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:15:43,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-12-06 04:15:43,631 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 04:15:43,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 04:15:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:43,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2024-12-06 04:15:44,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-12-06 04:15:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:15:47,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-06 04:15:50,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:15:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 39 transitions. [2024-12-06 04:15:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 04:15:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:15:50,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:50,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:51,406 WARN L254 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-12-06 04:15:51,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:15:51,428 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 04:15:51,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 04:15:51,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 04:15:51,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:51,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2024-12-06 04:15:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:54,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:54,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 141 [2024-12-06 04:15:54,559 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:15:54,562 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2024-12-06 04:15:54,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 87 [2024-12-06 04:15:54,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 70 [2024-12-06 04:15:54,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-12-06 04:15:54,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 04:15:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:55,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 124 [2024-12-06 04:15:55,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-06 04:15:55,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2024-12-06 04:15:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:16:01,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:16:02,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:16:12,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:16:15,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:16:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 71 transitions. [2024-12-06 04:16:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2024-12-06 04:16:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:16:57,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:57,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:58,215 WARN L254 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-12-06 04:16:58,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:58,229 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 04:16:58,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 04:16:58,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 04:18:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:32,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 53 [2024-12-06 04:18:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:35,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 163 [2024-12-06 04:18:35,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 177 [2024-12-06 04:18:35,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 04:18:35,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 114 [2024-12-06 04:18:35,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2024-12-06 04:18:35,390 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:18:35,393 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2024-12-06 04:18:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:18:38,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 182 [2024-12-06 04:18:38,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 04:18:38,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2024-12-06 04:18:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:54,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:28:11,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:28:14,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 04:30:58,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]