./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-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_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/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_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/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_805e57d9-ccef-4149-bf95-f4162a192aeb/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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:56:03,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:56:03,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:56:03,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:56:03,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:56:03,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:56:03,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:56:03,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:56:03,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:56:03,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:56:03,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:56:03,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:56:03,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:56:03,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:03,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:56:03,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:56:03,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:56:03,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:56:03,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:56:03,525 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_805e57d9-ccef-4149-bf95-f4162a192aeb/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 -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2024-12-05 21:56:03,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:56:03,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:56:03,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:56:03,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:56:03,777 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:56:03,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 21:56:06,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/353adea42/c6318471409f4774a33496026cdbc9e7/FLAG2f01759af [2024-12-05 21:56:06,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:56:06,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 21:56:06,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/353adea42/c6318471409f4774a33496026cdbc9e7/FLAG2f01759af [2024-12-05 21:56:06,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/353adea42/c6318471409f4774a33496026cdbc9e7 [2024-12-05 21:56:06,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:56:06,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:56:06,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:06,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:56:06,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:56:06,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:06" (1/1) ... [2024-12-05 21:56:06,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df89c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:06, skipping insertion in model container [2024-12-05 21:56:06,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:06" (1/1) ... [2024-12-05 21:56:06,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:56:07,071 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_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-12-05 21:56:07,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:07,095 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:56:07,103 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_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-12-05 21:56:07,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:07,125 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:56:07,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07 WrapperNode [2024-12-05 21:56:07,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:07,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:07,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:56:07,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:56:07,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,153 INFO L138 Inliner]: procedures = 16, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-12-05 21:56:07,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:07,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:56:07,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:56:07,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:56:07,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,169 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:56:07,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:56:07,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:56:07,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:56:07,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:56:07,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:56:07,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:56:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:56:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:56:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:56:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:56:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:56:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:56:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:56:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:56:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:56:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 21:56:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 21:56:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:56:07,299 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:56:07,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:56:07,446 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:56:07,446 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:56:07,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:56:07,489 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:56:07,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:07 BoogieIcfgContainer [2024-12-05 21:56:07,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:56:07,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:56:07,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:56:07,498 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:56:07,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:07" (1/1) ... [2024-12-05 21:56:07,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:56:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-05 21:56:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-05 21:56:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:56:07,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:07,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 21:56:07,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 89 [2024-12-05 21:56:07,862 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:07,864 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2024-12-05 21:56:07,886 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 38 treesize of output 36 [2024-12-05 21:56:07,906 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 8 treesize of output 1 [2024-12-05 21:56:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:07,966 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 59 treesize of output 22 [2024-12-05 21:56:07,986 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:07,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-05 21:56:08,015 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 21:56:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 22 [2024-12-05 21:56:08,053 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:08,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-05 21:56:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 94 [2024-12-05 21:56:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 81 [2024-12-05 21:56:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 74 [2024-12-05 21:56:08,142 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:08,143 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2024-12-05 21:56:08,160 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 159 treesize of output 151 [2024-12-05 21:56:08,162 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 21:56:08,179 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 40 treesize of output 1 [2024-12-05 21:56:08,191 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 31 treesize of output 29 [2024-12-05 21:56:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,214 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:08,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-05 21:56:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 68 [2024-12-05 21:56:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:08,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 71 [2024-12-05 21:56:08,293 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:08,294 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2024-12-05 21:56:08,301 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 123 treesize of output 116 [2024-12-05 21:56:08,302 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 21:56:08,310 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 34 treesize of output 1 [2024-12-05 21:56:08,319 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 21 treesize of output 19 [2024-12-05 21:56:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:56:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-12-05 21:56:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-05 21:56:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:56:08,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:08,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:09,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-12-05 21:56:09,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:09,361 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-12-05 21:56:09,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-12-05 21:56:09,405 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:09,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2024-12-05 21:56:09,426 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:09,427 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2024-12-05 21:56:09,505 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 8 treesize of output 1 [2024-12-05 21:56:09,561 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 8 treesize of output 7 [2024-12-05 21:56:09,580 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 8 treesize of output 7 [2024-12-05 21:56:09,599 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 8 treesize of output 7 [2024-12-05 21:56:09,946 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 17 treesize of output 27 [2024-12-05 21:56:10,022 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:10,025 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-05 21:56:10,026 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 59 [2024-12-05 21:56:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2024-12-05 21:56:10,447 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 8 treesize of output 7 [2024-12-05 21:56:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 36 [2024-12-05 21:56:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:10,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-05 21:56:10,613 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,613 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2024-12-05 21:56:10,667 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-12-05 21:56:10,703 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,704 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-12-05 21:56:10,722 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,723 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2024-12-05 21:56:10,753 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,754 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-12-05 21:56:10,765 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:10,766 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-12-05 21:56:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:11,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:11,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 53 [2024-12-05 21:56:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:56:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 69 transitions. [2024-12-05 21:56:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-12-05 21:56:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:56:13,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:13,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 21:56:13,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-05 21:56:13,777 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:13,777 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-12-05 21:56:13,783 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 8 treesize of output 1 [2024-12-05 21:56:13,790 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 21 treesize of output 19 [2024-12-05 21:56:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-05 21:56:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2024-12-05 21:56:13,828 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 38 treesize of output 36 [2024-12-05 21:56:13,831 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:13,832 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2024-12-05 21:56:13,837 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 101 treesize of output 95 [2024-12-05 21:56:13,844 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 34 treesize of output 1 [2024-12-05 21:56:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-12-05 21:56:13,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,882 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:13,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-05 21:56:13,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2024-12-05 21:56:13,899 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 54 treesize of output 23 [2024-12-05 21:56:13,902 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 8 treesize of output 7 [2024-12-05 21:56:13,907 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 8 treesize of output 7 [2024-12-05 21:56:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:13,919 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-12-05 21:56:13,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 23 [2024-12-05 21:56:13,929 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 21:56:13,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-05 21:56:13,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2024-12-05 21:56:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:56:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 47 states and 93 transitions. [2024-12-05 21:56:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2024-12-05 21:56:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:56:15,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:16,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 21:56:16,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:16,080 INFO L349 Elim1Store]: treesize reduction 115, result has 20.1 percent of original size [2024-12-05 21:56:16,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 94 [2024-12-05 21:56:16,083 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,084 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2024-12-05 21:56:16,091 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 8 treesize of output 1 [2024-12-05 21:56:16,134 INFO L349 Elim1Store]: treesize reduction 115, result has 20.1 percent of original size [2024-12-05 21:56:16,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 94 [2024-12-05 21:56:16,137 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,138 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2024-12-05 21:56:16,144 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 8 treesize of output 1 [2024-12-05 21:56:16,307 INFO L349 Elim1Store]: treesize reduction 210, result has 36.0 percent of original size [2024-12-05 21:56:16,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 322 treesize of output 312 [2024-12-05 21:56:16,417 INFO L349 Elim1Store]: treesize reduction 151, result has 18.8 percent of original size [2024-12-05 21:56:16,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 204 treesize of output 254 [2024-12-05 21:56:16,428 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,429 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2024-12-05 21:56:16,492 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 8 treesize of output 1 [2024-12-05 21:56:16,589 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,590 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2024-12-05 21:56:16,620 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,621 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-12-05 21:56:16,718 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,718 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2024-12-05 21:56:16,809 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,810 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2024-12-05 21:56:16,850 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 130 [2024-12-05 21:56:16,858 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,858 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-05 21:56:16,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:16,883 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-05 21:56:16,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 35 [2024-12-05 21:56:16,911 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 130 [2024-12-05 21:56:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:16,926 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-05 21:56:16,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 39 [2024-12-05 21:56:16,959 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:16,959 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2024-12-05 21:56:17,656 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:17,659 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 718 [2024-12-05 21:56:17,931 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:56:17,935 INFO L158 Benchmark]: Toolchain (without parser) took 10981.85ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 118.6MB in the beginning and 285.0MB in the end (delta: -166.3MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. [2024-12-05 21:56:17,935 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:56:17,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.69ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:56:17,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.24ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:56:17,936 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:56:17,936 INFO L158 Benchmark]: RCFGBuilder took 312.85ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 86.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:56:17,936 INFO L158 Benchmark]: CodeCheck took 10444.43ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 86.4MB in the beginning and 285.0MB in the end (delta: -198.6MB). Peak memory consumption was 185.1MB. Max. memory is 16.1GB. [2024-12-05 21:56:17,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.69ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.24ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 312.85ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 86.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10444.43ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 86.4MB in the beginning and 285.0MB in the end (delta: -198.6MB). Peak memory consumption was 185.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:56:17,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/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_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:56:19,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:56:19,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:56:19,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:56:19,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:56:19,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:56:19,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:56:19,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:56:19,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:56:19,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:56:19,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:19,948 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:56:19,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:19,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:19,949 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:56:19,949 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_805e57d9-ccef-4149-bf95-f4162a192aeb/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 -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2024-12-05 21:56:20,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:56:20,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:56:20,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:56:20,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:56:20,201 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:56:20,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 21:56:22,875 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/a5dbb856e/edd5db9bdcf54184949db1c47ebcb028/FLAG2f413b762 [2024-12-05 21:56:23,034 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:56:23,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 21:56:23,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/a5dbb856e/edd5db9bdcf54184949db1c47ebcb028/FLAG2f413b762 [2024-12-05 21:56:23,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/data/a5dbb856e/edd5db9bdcf54184949db1c47ebcb028 [2024-12-05 21:56:23,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:56:23,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:56:23,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:23,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:56:23,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:56:23,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bcbbff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23, skipping insertion in model container [2024-12-05 21:56:23,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:56:23,198 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_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-12-05 21:56:23,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:23,232 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:56:23,243 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_805e57d9-ccef-4149-bf95-f4162a192aeb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-12-05 21:56:23,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:23,268 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:56:23,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23 WrapperNode [2024-12-05 21:56:23,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:23,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:23,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:56:23,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:56:23,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,296 INFO L138 Inliner]: procedures = 20, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-12-05 21:56:23,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:23,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:56:23,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:56:23,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:56:23,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,314 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:56:23,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:56:23,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:56:23,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:56:23,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:56:23,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:56:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:56:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 21:56:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:56:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:56:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-05 21:56:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 21:56:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 21:56:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:56:23,443 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:56:23,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:56:23,885 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:56:23,885 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:56:23,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:56:23,934 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:56:23,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:23 BoogieIcfgContainer [2024-12-05 21:56:23,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:56:23,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:56:23,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:56:23,942 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:56:23,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:23" (1/1) ... [2024-12-05 21:56:23,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:56:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-05 21:56:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-05 21:56:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:56:23,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:23,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:56:23,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:56:23,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:56:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:25,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:56:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:26,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:56:26,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:56:30,988 INFO L349 Elim1Store]: treesize reduction 504, result has 19.4 percent of original size [2024-12-05 21:56:30,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 8 case distinctions, treesize of input 406 treesize of output 1171 [2024-12-05 21:56:31,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:31,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:56:31,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:31,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:56:31,680 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:31,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:56:32,176 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-05 21:56:32,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2024-12-05 21:56:33,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:33,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:56:34,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:34,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:56:36,671 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:56:36,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:56:38,581 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:38,591 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 754 [2024-12-05 21:56:39,863 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:39,867 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2024-12-05 21:56:41,045 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:41,052 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 948 [2024-12-05 21:56:42,320 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:42,324 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 784 [2024-12-05 21:56:44,306 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:44,309 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 804 [2024-12-05 21:56:47,491 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:47,493 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476 [2024-12-05 21:56:48,400 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:48,404 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1252 [2024-12-05 21:56:53,572 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:53,575 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1013 [2024-12-05 21:56:56,879 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:56:56,888 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2183 [2024-12-05 21:57:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:03,980 INFO L224 Elim1Store]: Index analysis took 819 ms [2024-12-05 21:57:04,490 INFO L349 Elim1Store]: treesize reduction 197, result has 11.3 percent of original size [2024-12-05 21:57:04,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 6876 treesize of output 6928 [2024-12-05 21:57:28,842 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:28,842 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:29,960 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:29,961 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:31,327 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:31,327 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:32,299 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:32,300 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:33,840 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:33,841 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:34,542 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:34,542 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-12-05 21:57:34,753 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:57:34,773 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4397 [2024-12-05 21:57:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:57:47,080 INFO L224 Elim1Store]: Index analysis took 116 ms [2024-12-05 21:57:47,509 INFO L349 Elim1Store]: treesize reduction 45, result has 35.7 percent of original size [2024-12-05 21:57:47,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 17121 treesize of output 16632 [2024-12-05 21:58:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:05,873 INFO L349 Elim1Store]: treesize reduction 24, result has 25.0 percent of original size [2024-12-05 21:58:05,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 375 treesize of output 306 [2024-12-05 21:58:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:06,824 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 137 treesize of output 88 [2024-12-05 21:58:06,907 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:06,908 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2024-12-05 21:58:07,442 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:07,443 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2024-12-05 21:58:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:08,238 INFO L349 Elim1Store]: treesize reduction 24, result has 25.0 percent of original size [2024-12-05 21:58:08,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 522 treesize of output 415 [2024-12-05 21:58:09,598 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:09,599 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2024-12-05 21:58:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 69 [2024-12-05 21:58:10,428 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:10,429 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2024-12-05 21:58:10,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,119 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 21:58:11,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 87 [2024-12-05 21:58:11,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:11,383 INFO L224 Elim1Store]: Index analysis took 105 ms [2024-12-05 21:58:11,562 INFO L349 Elim1Store]: treesize reduction 55, result has 5.2 percent of original size [2024-12-05 21:58:11,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 744 treesize of output 584 [2024-12-05 21:58:12,050 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:12,051 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2024-12-05 21:58:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:12,687 INFO L224 Elim1Store]: Index analysis took 114 ms [2024-12-05 21:58:12,705 INFO L349 Elim1Store]: treesize reduction 57, result has 1.7 percent of original size [2024-12-05 21:58:12,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 540 treesize of output 439 [2024-12-05 21:58:12,944 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:12,945 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2024-12-05 21:58:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:13,585 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 21:58:13,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 106 [2024-12-05 21:58:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:58:20,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:58:23,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:58:26,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:58:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-12-05 21:58:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-05 21:58:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:58:26,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:26,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:58:26,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:58:26,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:58:26,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:58:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:31,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:58:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:32,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-05 21:58:32,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:58:32,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:58:32,892 INFO L224 Elim1Store]: Index analysis took 128 ms [2024-12-05 21:58:38,661 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 103 DAG size of output: 41 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-05 21:58:38,662 INFO L349 Elim1Store]: treesize reduction 504, result has 19.4 percent of original size [2024-12-05 21:58:38,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 8 case distinctions, treesize of input 406 treesize of output 1171 [2024-12-05 21:58:38,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:39,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:58:39,163 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:39,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:58:39,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:39,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-05 21:58:39,809 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-05 21:58:39,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2024-12-05 21:58:40,582 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:40,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:58:41,213 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:41,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:58:41,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:58:41,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 94 [2024-12-05 21:58:45,080 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:45,083 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 810 [2024-12-05 21:58:46,985 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:46,988 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 713 [2024-12-05 21:58:49,978 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:49,980 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 616 [2024-12-05 21:58:53,063 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:53,067 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 956 [2024-12-05 21:58:59,340 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:58:59,343 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 652 [2024-12-05 21:59:02,420 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:02,535 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:02,559 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:03,489 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:04,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:04,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:04,796 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:04,845 INFO L224 Elim1Store]: Index analysis took 2449 ms [2024-12-05 21:59:04,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 535 treesize of output 632 [2024-12-05 21:59:08,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:08,286 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,490 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,588 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,710 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,747 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,845 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,846 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,846 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,882 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:08,956 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:09,009 INFO L224 Elim1Store]: Index analysis took 817 ms [2024-12-05 21:59:09,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 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 198 treesize of output 297 [2024-12-05 21:59:10,274 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:10,330 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:10,915 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:11,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:12,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:12,292 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:12,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:12,823 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:12,895 INFO L224 Elim1Store]: Index analysis took 2565 ms [2024-12-05 21:59:12,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 530 treesize of output 627 [2024-12-05 21:59:15,555 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:59:15,564 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1983 [2024-12-05 21:59:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:59:26,438 INFO L224 Elim1Store]: Index analysis took 1515 ms [2024-12-05 21:59:27,321 INFO L349 Elim1Store]: treesize reduction 197, result has 11.3 percent of original size [2024-12-05 21:59:27,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 12403 treesize of output 12421 [2024-12-05 21:59:42,967 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,968 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,992 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,992 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,993 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,993 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:42,994 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:43,017 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:43,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-12-05 21:59:45,689 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,900 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,907 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,913 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,950 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 21:59:45,950 INFO L224 Elim1Store]: Index analysis took 307 ms [2024-12-05 21:59:45,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-12-05 21:59:46,064 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:59:46,071 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1424 [2024-12-05 21:59:51,877 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:59:51,885 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1670 [2024-12-05 21:59:56,697 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:59:56,698 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 595 [2024-12-05 21:59:57,328 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:59:57,331 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 968 [2024-12-05 22:00:01,137 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:00:01,138 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2024-12-05 22:00:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:03,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:03,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 48 [2024-12-05 22:00:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:00:17,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 477 treesize of output 199 [2024-12-05 22:00:19,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 227 [2024-12-05 22:00:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:21,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 22:00:40,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:00:44,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:00:52,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:01:00,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:01:16,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:01:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 70 transitions. [2024-12-05 22:01:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-12-05 22:01:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:01:19,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:01:19,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:01:19,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:01:19,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:01:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805e57d9-ccef-4149-bf95-f4162a192aeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process