./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/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_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/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_43ce32dd-fccf-4f07-926d-92b66f1b787a/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 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:26,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:26,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:08:26,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:26,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:26,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:26,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:26,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:26,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:26,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:26,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:26,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:26,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:26,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:26,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:26,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:26,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:26,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:26,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:26,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:26,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:26,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:26,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:26,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:26,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:26,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:26,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:26,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:26,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:26,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:26,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:26,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:26,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:26,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:26,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:26,656 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_43ce32dd-fccf-4f07-926d-92b66f1b787a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b [2023-11-24 23:08:27,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:27,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:27,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:27,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:27,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:27,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2023-11-24 23:08:30,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:30,475 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:30,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2023-11-24 23:08:30,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/data/b9b9ba27a/5f2c8b0237204fe99a478d6034ff31fe/FLAG958ff7339 [2023-11-24 23:08:30,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/data/b9b9ba27a/5f2c8b0237204fe99a478d6034ff31fe [2023-11-24 23:08:30,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:30,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:30,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:30,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:30,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:30,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4204abb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30, skipping insertion in model container [2023-11-24 23:08:30,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:30,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:30,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:30,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:30,832 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:30,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30 WrapperNode [2023-11-24 23:08:30,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:30,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:30,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:30,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:30,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,872 INFO L138 Inliner]: procedures = 16, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-11-24 23:08:30,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:30,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:30,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:30,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:30,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:30,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:30,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:30,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:30,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:30,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:30,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce32dd-fccf-4f07-926d-92b66f1b787a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_51_0 [2023-11-24 23:08:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_51_0 [2023-11-24 23:08:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:08:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:08:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:31,093 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:31,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:31,622 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:31,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:31,793 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:08:31,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:31 BoogieIcfgContainer [2023-11-24 23:08:31,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:31,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:31,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:31,810 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:31,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:31,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2023-11-24 23:08:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2023-11-24 23:08:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:31,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:32,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:08:32,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 42 [2023-11-24 23:08:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:32,643 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-11-24 23:08:32,644 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 320 treesize of output 304 [2023-11-24 23:08:32,716 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 59 treesize of output 52 [2023-11-24 23:08:33,204 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 60 treesize of output 24 [2023-11-24 23:08:33,246 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 23:08:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 116 transitions. [2023-11-24 23:08:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2023-11-24 23:08:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:33,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:33,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:33,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 23:08:33,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 42 [2023-11-24 23:08:33,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:33,972 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-11-24 23:08:33,973 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 [2023-11-24 23:08:33,995 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 57 treesize of output 50 [2023-11-24 23:08:34,532 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 58 treesize of output 22 [2023-11-24 23:08:34,604 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 23:08:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 112 states and 123 transitions. [2023-11-24 23:08:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2023-11-24 23:08:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:36,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-24 23:08:36,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,037 INFO L349 Elim1Store]: treesize reduction 107, result has 25.2 percent of original size [2023-11-24 23:08:37,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 256 treesize of output 73 [2023-11-24 23:08:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:37,094 INFO L349 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2023-11-24 23:08:37,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 71 [2023-11-24 23:08:37,150 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-24 23:08:37,151 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 327 treesize of output 315 [2023-11-24 23:08:38,169 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 33 treesize of output 13 [2023-11-24 23:08:38,261 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 23:08:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 117 states and 134 transitions. [2023-11-24 23:08:42,603 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2023-11-24 23:08:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:08:42,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:42,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-24 23:08:42,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:08:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver