./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 020f2d3a270ed8dfae4a7c8fa8db16a8ad645d088f685c7c500cf3124112cf45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:51,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:51,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:47:51,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:51,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:52,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:52,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:52,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:52,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:52,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:52,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:52,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:52,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:52,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:52,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:52,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:52,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:52,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:52,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:52,018 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:52,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:52,019 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:52,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:52,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:52,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:52,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:52,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:52,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:52,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:52,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:52,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:52,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:52,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:52,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:52,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:52,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 020f2d3a270ed8dfae4a7c8fa8db16a8ad645d088f685c7c500cf3124112cf45 [2023-11-19 02:47:52,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:52,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:52,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:52,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:52,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:52,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c [2023-11-19 02:47:55,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:55,603 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:55,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c [2023-11-19 02:47:55,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/data/a767eeb0f/da2db580fa9342b4b4c8d76813e239b4/FLAG89bfa5fc1 [2023-11-19 02:47:55,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/data/a767eeb0f/da2db580fa9342b4b4c8d76813e239b4 [2023-11-19 02:47:55,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:55,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:55,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:55,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:55,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:55,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:55,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b172c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55, skipping insertion in model container [2023-11-19 02:47:55,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:55,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:55,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:55,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:55,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:55,955 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:55,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55 WrapperNode [2023-11-19 02:47:55,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:55,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:55,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:55,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:55,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:55,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,004 INFO L138 Inliner]: procedures = 17, calls = 142, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2023-11-19 02:47:56,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:56,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:56,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:56,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:56,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:56,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:56,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:56,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:56,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:55" (1/1) ... [2023-11-19 02:47:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:56,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:56,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:56,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffed298c-1aaa-4ed8-b463-634d2a4367b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:47:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:47:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_45_to_53_0 [2023-11-19 02:47:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_45_to_53_0 [2023-11-19 02:47:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_65_0 [2023-11-19 02:47:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_65_0 [2023-11-19 02:47:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:56,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:56,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:57,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:57,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:57,233 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:57,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:57 BoogieIcfgContainer [2023-11-19 02:47:57,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:57,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:57,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:57,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:57,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 170 states and 183 transitions. [2023-11-19 02:47:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2023-11-19 02:47:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:57,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:57,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 02:47:57,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:57,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:47:57,832 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-19 02:47:57,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 1 [2023-11-19 02:47:58,116 INFO L349 Elim1Store]: treesize reduction 267, result has 7.6 percent of original size [2023-11-19 02:47:58,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 71047 treesize of output 70930 [2023-11-19 02:48:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:12,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 02:48:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 169 states and 182 transitions. [2023-11-19 02:48:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 182 transitions. [2023-11-19 02:48:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:48:13,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:13,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,142 INFO L349 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2023-11-19 02:48:14,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 226 treesize of output 208 [2023-11-19 02:48:14,353 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:48:14,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2023-11-19 02:48:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 46 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3559 treesize of output 205 [2023-11-19 02:48:17,286 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:17,291 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 527 [2023-11-19 02:48:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:17,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 60 [2023-11-19 02:48:17,392 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 16 treesize of output 10 [2023-11-19 02:48:17,406 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 16 treesize of output 10 [2023-11-19 02:48:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 170 states and 186 transitions. [2023-11-19 02:48:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2023-11-19 02:48:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:48:23,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:23,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 02:48:23,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:23,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-19 02:48:23,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 21 [2023-11-19 02:48:23,402 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:23,403 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-11-19 02:48:23,406 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 12 treesize of output 1 [2023-11-19 02:48:23,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 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 19 treesize of output 32 [2023-11-19 02:48:23,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:48:23,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 21 [2023-11-19 02:48:23,429 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:23,429 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2023-11-19 02:48:23,434 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 12 treesize of output 1 [2023-11-19 02:48:23,441 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 19 treesize of output 1 [2023-11-19 02:48:23,568 INFO L349 Elim1Store]: treesize reduction 281, result has 2.8 percent of original size [2023-11-19 02:48:23,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 66511 treesize of output 66391 [2023-11-19 02:48:31,991 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-19 02:48:31,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 73 [2023-11-19 02:48:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:32,092 INFO L349 Elim1Store]: treesize reduction 156, result has 18.8 percent of original size [2023-11-19 02:48:32,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 44 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 91 [2023-11-19 02:48:32,427 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 [2023-11-19 02:48:32,478 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 9 treesize of output 7 [2023-11-19 02:48:32,688 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:32,690 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 02:48:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:48:32,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 16 [2023-11-19 02:48:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 169 states and 185 transitions. [2023-11-19 02:48:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2023-11-19 02:48:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:43,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:43,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:43,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 02:48:43,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:43,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-19 02:48:43,269 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:43,270 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2023-11-19 02:48:43,275 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 [2023-11-19 02:48:43,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 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 19 treesize of output 32 [2023-11-19 02:48:43,294 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:43,295 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2023-11-19 02:48:43,300 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 [2023-11-19 02:48:43,346 INFO L349 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2023-11-19 02:48:43,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 32071 treesize of output 30769