./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:24,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:24,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:24:24,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:24,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:24,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:24,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:24,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:24,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:24,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:24,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:24,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:24,550 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:24,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:24,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:24,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:24,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:24,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:24,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:24,555 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:24,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:24,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:24,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:24,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:24,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:24,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:24,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:24,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:24,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:24,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:24,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:24,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:24,564 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:24,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:24,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:24,565 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_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 [2023-11-19 03:24:24,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:24,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:24,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:24,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:24,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:24,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c [2023-11-19 03:24:28,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:28,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:28,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c [2023-11-19 03:24:28,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/data/199030a00/246c94e62519438fa14f1fdd26e091b3/FLAG898f9d4f4 [2023-11-19 03:24:28,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/data/199030a00/246c94e62519438fa14f1fdd26e091b3 [2023-11-19 03:24:28,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:28,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:28,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:28,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:28,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:28,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b031e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28, skipping insertion in model container [2023-11-19 03:24:28,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:28,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:28,802 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:28,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:28,869 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:28,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28 WrapperNode [2023-11-19 03:24:28,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:28,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:28,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:28,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:28,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,966 INFO L138 Inliner]: procedures = 16, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 143 [2023-11-19 03:24:28,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:28,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:28,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:28,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:28,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:28,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:29,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:29,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:29,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:29,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:28" (1/1) ... [2023-11-19 03:24:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:29,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:29,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:29,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b24be66-dc32-45c2-b2f8-c0970fb951e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:24:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:24:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:24:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:24:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:24:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:24:29,273 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:29,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:30,149 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:30,198 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:30,198 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:24:30,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:30 BoogieIcfgContainer [2023-11-19 03:24:30,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:30,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:30,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:30,217 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:30,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 222 states and 226 transitions. [2023-11-19 03:24:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 226 transitions. [2023-11-19 03:24:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:24:30,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 225 states and 229 transitions. [2023-11-19 03:24:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 229 transitions. [2023-11-19 03:24:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:24:31,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 226 states and 230 transitions. [2023-11-19 03:24:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 230 transitions. [2023-11-19 03:24:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:31,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:24:31,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:32,326 INFO L349 Elim1Store]: treesize reduction 173, result has 29.4 percent of original size [2023-11-19 03:24:32,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 215 [2023-11-19 03:24:32,383 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:32,388 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2023-11-19 03:24:32,444 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 34 treesize of output 32 [2023-11-19 03:24:32,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:24:32,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:32,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:32,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:33,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 28 [2023-11-19 03:24:33,300 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:33,301 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 03:24:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:33,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:24:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:33,838 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:24:33,866 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-19 03:24:33,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 668 treesize of output 607 [2023-11-19 03:24:34,069 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2023-11-19 03:24:34,190 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:24:34,194 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-19 03:24:34,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 44 [2023-11-19 03:24:34,213 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:34,214 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 03:24:34,258 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2023-11-19 03:24:34,307 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 54 [2023-11-19 03:24:34,431 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2023-11-19 03:24:34,469 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 40 treesize of output 33 [2023-11-19 03:24:34,646 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:24:34,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 43 [2023-11-19 03:24:34,740 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:34,747 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 779 [2023-11-19 03:24:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 231 states and 238 transitions. [2023-11-19 03:24:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 238 transitions. [2023-11-19 03:24:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:38,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:38,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:24:38,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:38,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:38,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:38,982 INFO L349 Elim1Store]: treesize reduction 92, result has 25.2 percent of original size [2023-11-19 03:24:38,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 114 [2023-11-19 03:24:38,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:24:39,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 65 treesize of output 61 [2023-11-19 03:24:39,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:39,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:39,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:24:39,231 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:39,233 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2023-11-19 03:24:39,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2023-11-19 03:24:39,280 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 5 treesize of output 3 [2023-11-19 03:24:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 233 states and 240 transitions. [2023-11-19 03:24:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 240 transitions. [2023-11-19 03:24:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:24:39,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:39,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:24:39,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:47,293 WARN L293 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 248 DAG size of output: 128 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-19 03:24:47,293 INFO L349 Elim1Store]: treesize reduction 1019, result has 30.4 percent of original size [2023-11-19 03:24:47,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 3270 treesize of output 2627 [2023-11-19 03:24:47,598 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:47,604 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 996 [2023-11-19 03:24:48,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:24:49,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 41 [2023-11-19 03:24:51,545 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:51,548 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 579 [2023-11-19 03:24:53,612 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:53,614 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 562 [2023-11-19 03:24:54,276 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:54,278 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 597 [2023-11-19 03:24:56,106 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:56,108 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 576 [2023-11-19 03:24:56,958 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:56,961 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 575 [2023-11-19 03:25:00,366 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:00,368 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2023-11-19 03:25:01,053 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:01,055 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2023-11-19 03:25:02,615 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:02,617 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2023-11-19 03:25:02,936 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:02,938 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2023-11-19 03:25:04,281 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:04,284 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 631 [2023-11-19 03:25:05,716 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:05,718 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 634 [2023-11-19 03:25:06,830 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:06,832 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 641 [2023-11-19 03:25:08,341 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:08,343 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 545 [2023-11-19 03:25:10,355 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:10,357 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2023-11-19 03:25:11,768 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:11,769 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 427 [2023-11-19 03:25:13,023 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:13,024 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2023-11-19 03:25:13,553 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:13,555 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2023-11-19 03:25:13,908 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:13,909 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2023-11-19 03:25:14,214 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:14,216 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2023-11-19 03:25:14,494 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:14,495 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 444 [2023-11-19 03:25:14,900 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:14,901 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2023-11-19 03:25:15,299 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:15,300 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2023-11-19 03:25:16,194 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:25:16,195 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2023-11-19 03:25:17,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:25:18,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:25:18,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:25:18,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:25:18,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:25:18,288 INFO L224 Elim1Store]: Index analysis took 441 ms [2023-11-19 03:25:20,852 INFO L349 Elim1Store]: treesize reduction 374, result has 9.9 percent of original size [2023-11-19 03:25:20,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 29 case distinctions, treesize of input 7323 treesize of output 7515