./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 0e0057cc 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_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/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_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/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_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:59:16,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:16,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:59:16,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:59:16,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:59:16,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:16,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:59:16,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:59:16,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:16,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:16,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:16,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:59:16,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:59:16,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:59:16,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:59:16,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:16,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:59:16,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:16,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:59:16,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:59:16,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:59:16,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:59:16,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:59:16,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:16,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:16,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:16,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:16,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:16,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:16,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:16,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:16,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:59:16,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:59:16,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:59:16,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:59:16,496 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_53236682-a3a3-49d7-be99-747e1b7e705c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 020f2d3a270ed8dfae4a7c8fa8db16a8ad645d088f685c7c500cf3124112cf45 [2023-12-03 00:59:16,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:16,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:16,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:16,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:16,822 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:16,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c [2023-12-03 00:59:19,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:20,175 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:20,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2-ll.c [2023-12-03 00:59:20,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/data/44b7388eb/7a7469f9bc574ec092f9346b1bd674f0/FLAG3853b4164 [2023-12-03 00:59:20,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/data/44b7388eb/7a7469f9bc574ec092f9346b1bd674f0 [2023-12-03 00:59:20,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:20,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:20,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:20,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:20,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:20,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d90bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20, skipping insertion in model container [2023-12-03 00:59:20,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:20,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:20,508 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:20,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:20,574 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:20,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20 WrapperNode [2023-12-03 00:59:20,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:20,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:20,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:20,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:20,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,633 INFO L138 Inliner]: procedures = 17, calls = 142, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2023-12-03 00:59:20,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:20,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:20,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:20,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:20,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:20,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:20,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:20,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:20,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:20,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:20,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53236682-a3a3-49d7-be99-747e1b7e705c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:59:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:59:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:59:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:59:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:59:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_45_to_53_0 [2023-12-03 00:59:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_45_to_53_0 [2023-12-03 00:59:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_65_0 [2023-12-03 00:59:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_65_0 [2023-12-03 00:59:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:59:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:59:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:59:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:59:20,922 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:20,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:59:21,633 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:59:21,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:59:21,685 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:59:21,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:21 BoogieIcfgContainer [2023-12-03 00:59:21,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:59:21,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:59:21,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:59:21,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:59:21,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:21" (1/1) ... [2023-12-03 00:59:21,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:59:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 170 states and 183 transitions. [2023-12-03 00:59:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2023-12-03 00:59:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:59:21,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:22,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-03 00:59:22,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:22,349 INFO L349 Elim1Store]: treesize reduction 286, result has 1.0 percent of original size [2023-12-03 00:59:22,350 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 4283 treesize of output 4268 [2023-12-03 00:59:26,780 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 [2023-12-03 00:59:28,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:28,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 40 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 76 [2023-12-03 00:59:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:28,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 45 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2023-12-03 00:59:28,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 51 [2023-12-03 00:59:28,640 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 13 treesize of output 9 [2023-12-03 00:59:28,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:59:28,652 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 7 treesize of output 5 [2023-12-03 00:59:28,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:59:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:28,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 34 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 71 [2023-12-03 00:59:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:28,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2023-12-03 00:59:28,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 51 [2023-12-03 00:59:28,787 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 13 treesize of output 9 [2023-12-03 00:59:28,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:59:28,797 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-03 00:59:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 169 states and 182 transitions. [2023-12-03 00:59:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 182 transitions. [2023-12-03 00:59:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:59:29,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:30,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 00:59:30,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:30,212 INFO L349 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2023-12-03 00:59:30,212 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 [2023-12-03 00:59:30,382 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-03 00:59:30,400 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 [2023-12-03 00:59:33,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 24 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 133 [2023-12-03 00:59:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:59:33,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 45 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2023-12-03 00:59:33,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2023-12-03 00:59:33,118 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 [2023-12-03 00:59:33,124 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 7 treesize of output 5 [2023-12-03 00:59:33,127 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 [2023-12-03 00:59:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 170 states and 186 transitions. [2023-12-03 00:59:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2023-12-03 00:59:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:59:38,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:38,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:59:38,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:38,205 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 [2023-12-03 00:59:38,210 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:38,211 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2023-12-03 00:59:38,220 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 [2023-12-03 00:59:38,230 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 [2023-12-03 00:59:38,234 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 [2023-12-03 00:59:38,237 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 [2023-12-03 00:59:38,239 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:38,239 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 00:59:38,276 INFO L349 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2023-12-03 00:59:38,277 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 13484 treesize of output 12668 [2023-12-03 01:01:30,163 WARN L293 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 132 DAG size of output: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:03:01,424 WARN L293 SmtUtils]: Spent 30.29s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:04:32,307 WARN L293 SmtUtils]: Spent 30.24s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:04:32,448 INFO L349 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2023-12-03 01:04:32,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 17 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 141 [2023-12-03 01:04:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:04:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:04:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:04:32,592 INFO L349 Elim1Store]: treesize reduction 163, result has 21.3 percent of original size [2023-12-03 01:04:32,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 45 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 95 [2023-12-03 01:04:32,643 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 [2023-12-03 01:04:33,045 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 10 treesize of output 9 [2023-12-03 01:04:33,200 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 [2023-12-03 01:04:33,235 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 [2023-12-03 01:04:33,257 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 [2023-12-03 01:04:33,284 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 [2023-12-03 01:04:33,311 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 [2023-12-03 01:04:33,336 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 [2023-12-03 01:04:33,697 INFO L349 Elim1Store]: treesize reduction 56, result has 44.6 percent of original size [2023-12-03 01:04:33,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 78 [2023-12-03 01:04:34,331 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,332 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2023-12-03 01:04:34,356 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,357 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2023-12-03 01:04:34,433 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,434 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2023-12-03 01:04:34,457 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,457 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-12-03 01:04:34,500 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,501 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2023-12-03 01:04:34,513 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,514 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2023-12-03 01:04:34,537 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,538 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2023-12-03 01:04:34,592 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,593 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-12-03 01:04:34,618 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,619 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-12-03 01:04:34,635 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,636 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2023-12-03 01:04:34,673 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,674 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2023-12-03 01:04:34,695 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:34,696 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-12-03 01:04:35,277 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2023-12-03 01:04:35,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 46 [2023-12-03 01:04:35,435 INFO L349 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2023-12-03 01:04:35,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 85 [2023-12-03 01:04:35,790 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2023-12-03 01:04:35,821 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,821 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-12-03 01:04:35,839 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,840 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2023-12-03 01:04:35,855 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,856 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-12-03 01:04:35,887 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,887 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2023-12-03 01:04:35,903 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,904 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2023-12-03 01:04:35,921 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:04:35,922 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-12-03 01:05:29,259 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 335 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:05:29,279 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:05:29,280 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-03 01:05:29,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:05:29,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2023-12-03 01:05:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:07:30,651 WARN L293 SmtUtils]: Spent 30.21s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:08:55,503 WARN L293 SmtUtils]: Spent 30.21s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:10:48,470 WARN L293 SmtUtils]: Spent 30.20s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:10:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 169 states and 185 transitions. [2023-12-03 01:10:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2023-12-03 01:10:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:10:51,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:51,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:51,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 01:10:51,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:51,481 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 [2023-12-03 01:10:51,499 INFO L349 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2023-12-03 01:10:51,500 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 [2023-12-03 01:10:51,910 INFO L349 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2023-12-03 01:10:51,911 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 37401 treesize of output 35963 [2023-12-03 01:10:52,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 9 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 [2023-12-03 01:10:52,135 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:10:52,136 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2023-12-03 01:10:52,152 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-03 01:13:36,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 45 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2023-12-03 01:13:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:13:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:13:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:13:36,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:13:36,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 45 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 32 [2023-12-03 01:13:36,099 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-12-03 01:13:36,116 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 [2023-12-03 01:13:36,420 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:13:36,421 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-03 01:13:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:13:36,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 16 [2023-12-03 01:13:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.