./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9 --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 7c6261a52ba91bad3864c182e4633afd262bc5fe07cf18f92cb66db83623b9ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:46:12,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:46:12,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:46:12,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:46:12,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:46:12,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:46:12,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:46:12,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:46:12,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:46:12,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:46:12,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:46:12,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:46:12,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:46:12,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:46:12,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:46:12,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:46:12,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:46:12,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:46:12,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:46:12,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:46:12,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:46:12,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:46:12,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:46:12,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:46:12,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:46:12,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:46:12,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:12,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:46:12,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:46:12,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:46:12,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:46:12,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:46:12,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:46:12,502 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_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c6261a52ba91bad3864c182e4633afd262bc5fe07cf18f92cb66db83623b9ae [2023-12-02 23:46:12,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:46:12,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:46:12,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:46:12,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:46:12,778 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:46:12,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c [2023-12-02 23:46:15,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:46:15,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:46:15,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c [2023-12-02 23:46:15,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/data/f75e3ffc0/0b3cc5ac747b439a9b971c3391533078/FLAG6aa36421e [2023-12-02 23:46:15,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/data/f75e3ffc0/0b3cc5ac747b439a9b971c3391533078 [2023-12-02 23:46:15,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:46:15,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:46:15,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:15,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:46:15,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:46:15,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:15" (1/1) ... [2023-12-02 23:46:15,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48be38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:15, skipping insertion in model container [2023-12-02 23:46:15,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:15" (1/1) ... [2023-12-02 23:46:15,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:46:16,076 WARN L240 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_1290eef7-93bc-4637-9706-0672b1805005/sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c[1136,1149] [2023-12-02 23:46:16,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:16,110 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:46:16,123 WARN L240 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_1290eef7-93bc-4637-9706-0672b1805005/sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c[1136,1149] [2023-12-02 23:46:16,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:16,153 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:46:16,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16 WrapperNode [2023-12-02 23:46:16,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:16,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:16,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:46:16,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:46:16,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,191 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-12-02 23:46:16,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:16,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:46:16,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:46:16,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:46:16,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:46:16,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:46:16,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:46:16,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:46:16,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:46:16,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:46:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1290eef7-93bc-4637-9706-0672b1805005/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:46:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:46:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:46:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:46:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_52_0 [2023-12-02 23:46:16,295 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_52_0 [2023-12-02 23:46:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_32_to_55_0 [2023-12-02 23:46:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_32_to_55_0 [2023-12-02 23:46:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:46:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:46:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:46:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:46:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:46:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:46:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:46:16,390 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:46:16,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:46:16,630 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:46:16,688 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:46:16,689 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:46:16,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:16 BoogieIcfgContainer [2023-12-02 23:46:16,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:46:16,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:46:16,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:46:16,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:46:16,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:16" (1/1) ... [2023-12-02 23:46:16,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:46:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2023-12-02 23:46:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-12-02 23:46:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:46:16,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:16,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 23:46:16,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,166 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-12-02 23:46:17,167 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 263 treesize of output 69 [2023-12-02 23:46:17,224 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-02 23:46:17,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 69 [2023-12-02 23:46:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:17,299 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 23:46:17,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 60 [2023-12-02 23:46:17,312 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 [2023-12-02 23:46:17,380 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 [2023-12-02 23:46:17,669 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-12-02 23:46:17,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 24 [2023-12-02 23:46:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 63 transitions. [2023-12-02 23:46:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2023-12-02 23:46:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:46:18,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:18,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:18,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 93 conjunts are in the unsatisfiable core [2023-12-02 23:46:18,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 44 [2023-12-02 23:46:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:46:18,289 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-12-02 23:46:18,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 82 treesize of output 72 [2023-12-02 23:46:18,315 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 23:46:18,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2023-12-02 23:46:49,550 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 23:46:49,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 23 [2023-12-02 23:46:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 98 transitions. [2023-12-02 23:50:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2023-12-02 23:50:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:50:24,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:24,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-02 23:50:24,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:24,365 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 23:50:24,371 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 23:50:24,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,429 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2023-12-02 23:50:24,429 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 74 treesize of output 55 [2023-12-02 23:50:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,461 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 23:50:24,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 121 [2023-12-02 23:50:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:24,508 INFO L349 Elim1Store]: treesize reduction 54, result has 21.7 percent of original size [2023-12-02 23:50:24,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 46 [2023-12-02 23:50:24,794 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 23:50:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:50:25,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2023-12-02 23:50:26,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2023-12-02 23:50:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 63 states and 135 transitions. [2023-12-02 23:54:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2023-12-02 23:54:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:54:33,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:33,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:33,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 95 conjunts are in the unsatisfiable core [2023-12-02 23:54:33,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:33,833 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 132 [2023-12-02 23:54:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:33,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-12-02 23:54:33,900 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 [2023-12-02 23:54:33,918 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2023-12-02 23:54:33,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 76 [2023-12-02 23:54:33,946 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 [2023-12-02 23:54:33,969 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 11 [2023-12-02 23:54:35,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2023-12-02 23:54:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:54:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 72 states and 168 transitions. [2023-12-02 23:54:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 168 transitions. [2023-12-02 23:54:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:54:45,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:45,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:45,199 WARN L260 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-02 23:54:45,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:58,423 WARN L293 SmtUtils]: Spent 13.17s on a formula simplification. DAG size of input: 200 DAG size of output: 110 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 23:54:58,424 INFO L349 Elim1Store]: treesize reduction 871, result has 26.4 percent of original size [2023-12-02 23:54:58,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 1546 treesize of output 833 [2023-12-02 23:54:58,485 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:54:58,492 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 648 [2023-12-02 23:54:58,523 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:54:58,539 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 929 [2023-12-02 23:54:58,564 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 23:54:58,857 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 23:54:59,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:59,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:54:59,550 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:59,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:59,652 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:54:59,652 INFO L224 Elim1Store]: Index analysis took 396 ms