./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/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_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/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_8cdff7ab-145f-4e63-977d-b6d24ab6355f/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 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:50,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:50,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:23:50,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:50,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:50,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:50,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:50,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:50,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:50,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:50,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:50,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:50,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:50,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:50,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:50,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:50,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:50,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:50,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:50,416 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:50,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:50,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:50,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:50,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:50,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:50,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:50,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:50,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:50,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:50,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:50,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:50,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:50,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:50,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:50,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:50,426 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_8cdff7ab-145f-4e63-977d-b6d24ab6355f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 [2023-11-19 03:23:50,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:50,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:50,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:50,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:50,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:50,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2023-11-19 03:23:54,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:54,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:54,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2023-11-19 03:23:54,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/data/fc1483c9d/9d29c882c5c345b8a9310e5ee6f58f16/FLAGbe1867d20 [2023-11-19 03:23:54,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/data/fc1483c9d/9d29c882c5c345b8a9310e5ee6f58f16 [2023-11-19 03:23:54,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:54,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:54,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:54,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:54,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:54,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc9c75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54, skipping insertion in model container [2023-11-19 03:23:54,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:54,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:54,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:54,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:54,795 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:54,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54 WrapperNode [2023-11-19 03:23:54,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:54,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:54,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:54,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:54,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,868 INFO L138 Inliner]: procedures = 16, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-19 03:23:54,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:54,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:54,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:54,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:54,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:54,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:54,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:54,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:54,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:54,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:54,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:55,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdff7ab-145f-4e63-977d-b6d24ab6355f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:23:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:23:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2023-11-19 03:23:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2023-11-19 03:23:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:55,141 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:55,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:55,500 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:55,546 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:55,546 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:55,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:55 BoogieIcfgContainer [2023-11-19 03:23:55,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:55,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:55,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:55,571 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:55,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:55" (1/1) ... [2023-11-19 03:23:55,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-19 03:23:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-19 03:23:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:23:55,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:55,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:55,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:23:55,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:56,189 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-19 03:23:56,191 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 61 treesize of output 53 [2023-11-19 03:23:56,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 03:23:56,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 03:23:56,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-11-19 03:23:56,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2023-11-19 03:23:56,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2023-11-19 03:23:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 78 transitions. [2023-11-19 03:23:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-19 03:23:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:57,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:57,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:23:57,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:57,211 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:57,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1318 treesize of output 1322 [2023-11-19 03:23:57,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 03:23:57,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 03:23:58,431 INFO L349 Elim1Store]: treesize reduction 63, result has 32.3 percent of original size [2023-11-19 03:23:58,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 95 [2023-11-19 03:23:58,588 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-19 03:23:58,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 46 [2023-11-19 03:23:58,623 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 38 treesize of output 32 [2023-11-19 03:23:58,659 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:23:58,662 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2023-11-19 03:24:00,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:24:00,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1304 treesize of output 1204 [2023-11-19 03:24:00,303 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 100 treesize of output 98 [2023-11-19 03:24:00,316 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 98 treesize of output 96 [2023-11-19 03:24:00,328 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 96 treesize of output 94 [2023-11-19 03:24:00,378 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 20 treesize of output 16 [2023-11-19 03:24:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.