./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-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_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi --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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:41,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:41,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:12:41,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:41,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:41,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:41,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:41,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:41,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:41,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:41,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:41,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:41,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:41,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:41,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:41,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:41,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:41,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:41,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:41,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:41,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:41,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:41,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:41,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:41,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:41,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:41,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:41,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:41,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:41,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:41,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:41,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:41,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:41,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:41,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:41,919 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_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-24 23:12:42,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:42,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:42,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:42,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:42,299 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:42,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-24 23:12:45,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:45,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:45,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-24 23:12:45,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/data/6f6921243/58649c70c5264def9ed2f076f257730a/FLAGf443859d4 [2023-11-24 23:12:45,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/data/6f6921243/58649c70c5264def9ed2f076f257730a [2023-11-24 23:12:45,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:45,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:45,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:45,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:45,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:45,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:45" (1/1) ... [2023-11-24 23:12:45,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46982faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:45, skipping insertion in model container [2023-11-24 23:12:45,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:45" (1/1) ... [2023-11-24 23:12:45,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:45,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:45,993 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:46,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:46,027 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:46,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46 WrapperNode [2023-11-24 23:12:46,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:46,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:46,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:46,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:46,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,077 INFO L138 Inliner]: procedures = 16, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-24 23:12:46,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:46,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:46,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:46,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:46,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:46,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:46,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:46,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:46,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:46,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:46,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed557e9a-c419-40ee-84ee-3a1f1beb4b73/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-24 23:12:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-24 23:12:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:46,347 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:46,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:46,795 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:46,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:46,827 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:46,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:46 BoogieIcfgContainer [2023-11-24 23:12:46,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:46,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:46,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:46,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:46,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:46" (1/1) ... [2023-11-24 23:12:46,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-24 23:12:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-24 23:12:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:12:46,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:12:47,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:47,235 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-24 23:12:47,236 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,281 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-24 23:12:47,282 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,323 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-24 23:12:47,323 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,388 INFO L349 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2023-11-24 23:12:47,389 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 3 case distinctions, treesize of input 155 treesize of output 22 [2023-11-24 23:12:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 67 transitions. [2023-11-24 23:12:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-24 23:12:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:47,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:12:47,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:47,785 INFO L349 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2023-11-24 23:12:47,785 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 22 [2023-11-24 23:12:47,800 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 26 treesize of output 24 [2023-11-24 23:12:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:47,875 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-11-24 23:12:47,875 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,884 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 26 treesize of output 24 [2023-11-24 23:12:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:47,940 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-11-24 23:12:47,940 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:47,986 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-11-24 23:12:47,987 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:12:47,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 23:12:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 72 transitions. [2023-11-24 23:12:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-24 23:12:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:12:48,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:48,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:12:48,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:17,590 WARN L293 SmtUtils]: Spent 28.83s on a formula simplification. DAG size of input: 356 DAG size of output: 178 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-24 23:13:17,591 INFO L349 Elim1Store]: treesize reduction 1391, result has 30.6 percent of original size [2023-11-24 23:13:17,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 18 new quantified variables, introduced 78 case distinctions, treesize of input 17910 treesize of output 9801 [2023-11-24 23:13:19,466 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 33 treesize of output 29 [2023-11-24 23:13:25,312 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 33 treesize of output 29 [2023-11-24 23:13:27,314 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 33 treesize of output 29 [2023-11-24 23:13:50,212 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:50,223 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1206