./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/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_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/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_baf00f94-3016-43f3-be10-cb4e2a811250/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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:14,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:14,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:28:14,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:14,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:14,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:14,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:14,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:14,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:14,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:14,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:14,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:14,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:14,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:14,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:14,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:14,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:14,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:14,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:14,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:14,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:14,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:14,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:14,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:14,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:14,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:14,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:14,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:14,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:14,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:14,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:14,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:14,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:14,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:14,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:14,166 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_baf00f94-3016-43f3-be10-cb4e2a811250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-19 03:28:14,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:14,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:14,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:14,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:14,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:14,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-19 03:28:17,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:17,812 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:17,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-19 03:28:17,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/feafcc663/fdf4f224055c460180c8f76c7e2882cd/FLAG2e1fa44d3 [2023-11-19 03:28:17,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/feafcc663/fdf4f224055c460180c8f76c7e2882cd [2023-11-19 03:28:17,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:17,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:17,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:17,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:17,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:17,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:17" (1/1) ... [2023-11-19 03:28:17,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a88632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17, skipping insertion in model container [2023-11-19 03:28:17,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:17" (1/1) ... [2023-11-19 03:28:17,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:18,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:18,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:18,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:18,087 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:18,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18 WrapperNode [2023-11-19 03:28:18,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:18,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:18,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:18,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:18,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,132 INFO L138 Inliner]: procedures = 16, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-19 03:28:18,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:18,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:18,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:18,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:18,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:18,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:18,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:18,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:18,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:18,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:18,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-19 03:28:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-19 03:28:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:18,350 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:18,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:18,643 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:18,676 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:18,677 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:18,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:18 BoogieIcfgContainer [2023-11-19 03:28:18,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:18,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:18,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:18,703 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:18,705 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:18" (1/1) ... [2023-11-19 03:28:18,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-19 03:28:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-19 03:28:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:28:18,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:18,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:19,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:28:19,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:19,323 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2023-11-19 03:28:19,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 93 [2023-11-19 03:28:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:19,443 INFO L349 Elim1Store]: treesize reduction 51, result has 42.0 percent of original size [2023-11-19 03:28:19,444 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 7 case distinctions, treesize of input 64 treesize of output 76 [2023-11-19 03:28:19,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 26 treesize of output 24 [2023-11-19 03:28:19,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:19,599 INFO L349 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2023-11-19 03:28:19,599 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 5 case distinctions, treesize of input 49 treesize of output 74 [2023-11-19 03:28:19,714 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 03:28:19,739 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 0 case distinctions, treesize of input 27 treesize of output 27 [2023-11-19 03:28:19,776 INFO L349 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2023-11-19 03:28:19,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 42 [2023-11-19 03:28:19,784 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:19,785 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2023-11-19 03:28:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:19,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 74 [2023-11-19 03:28:19,805 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:19,822 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 03:28:19,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:19,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:19,890 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 03:28:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 67 transitions. [2023-11-19 03:28:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-19 03:28:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:19,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:20,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:28:20,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:20,206 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2023-11-19 03:28:20,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 93 [2023-11-19 03:28:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:20,307 INFO L349 Elim1Store]: treesize reduction 51, result has 46.9 percent of original size [2023-11-19 03:28:20,308 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 89 [2023-11-19 03:28:20,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:20,387 INFO L349 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2023-11-19 03:28:20,388 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 5 case distinctions, treesize of input 49 treesize of output 74 [2023-11-19 03:28:20,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 26 treesize of output 24 [2023-11-19 03:28:20,546 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 03:28:20,633 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-19 03:28:20,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-19 03:28:20,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-19 03:28:20,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:20,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2023-11-19 03:28:21,085 INFO L349 Elim1Store]: treesize reduction 88, result has 43.9 percent of original size [2023-11-19 03:28:21,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 112 treesize of output 169 [2023-11-19 03:28:22,860 INFO L349 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2023-11-19 03:28:22,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-19 03:28:22,954 INFO L349 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2023-11-19 03:28:22,954 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 47 treesize of output 79 [2023-11-19 03:28:23,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,352 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:28:23,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 1 [2023-11-19 03:28:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,364 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:28:23,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 1 [2023-11-19 03:28:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,389 INFO L349 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2023-11-19 03:28:23,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 1 [2023-11-19 03:28:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,400 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:28:23,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 1 [2023-11-19 03:28:23,416 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 03:28:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 68 transitions. [2023-11-19 03:28:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-19 03:28:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:23,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:23,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:23,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:28:23,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:23,500 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:23,508 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 27 treesize of output 30 [2023-11-19 03:28:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-19 03:28:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 18 treesize of output 16 [2023-11-19 03:28:23,528 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 03:28:23,535 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 22 treesize of output 25 [2023-11-19 03:28:23,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 03:28:23,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:23,554 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-19 03:28:23,555 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-19 03:28:23,556 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,571 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:28:23,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2023-11-19 03:28:23,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:23,580 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 22 treesize of output 25 [2023-11-19 03:28:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 03:28:23,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-19 03:28:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:28:23,647 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-19 03:28:23,648 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-19 03:28:23,649 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-19 03:28:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:28:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-19 03:28:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:28:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-19 03:28:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:28:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-19 03:28:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 18 treesize of output 16 [2023-11-19 03:28:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:28:23,738 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:28:23,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 03:28:23,802 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 03:28:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 77 transitions. [2023-11-19 03:28:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-19 03:28:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:28:24,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:24,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:28:24,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:24,990 INFO L349 Elim1Store]: treesize reduction 508, result has 21.0 percent of original size [2023-11-19 03:28:24,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 348 treesize of output 425 [2023-11-19 03:28:25,145 INFO L224 Elim1Store]: Index analysis took 121 ms [2023-11-19 03:28:25,414 INFO L349 Elim1Store]: treesize reduction 286, result has 10.9 percent of original size [2023-11-19 03:28:25,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 23 case distinctions, treesize of input 193 treesize of output 250 [2023-11-19 03:28:25,438 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:25,440 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2023-11-19 03:28:25,659 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 03:28:25,864 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 03:28:26,114 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 03:28:26,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 03:28:26,269 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 03:28:26,569 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 03:28:26,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 139 [2023-11-19 03:28:26,742 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:26,743 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-19 03:28:26,744 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:27,095 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 03:28:27,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 50 [2023-11-19 03:28:27,166 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 03:28:27,368 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:27,369 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2023-11-19 03:28:27,501 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:27,502 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2023-11-19 03:28:27,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 139 [2023-11-19 03:28:27,731 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:27,732 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2023-11-19 03:28:27,734 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:28:27,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:28:27,864 INFO L349 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2023-11-19 03:28:27,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 41 [2023-11-19 03:28:27,973 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:27,973 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-19 03:28:27,998 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:27,998 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 03:28:28,330 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:28:28,335 INFO L158 Benchmark]: Toolchain (without parser) took 10495.52ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 136.9MB in the beginning and 227.7MB in the end (delta: -90.9MB). Peak memory consumption was 132.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:28,335 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:28,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.75ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 125.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:28:28,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 182.5MB. Free memory was 125.6MB in the beginning and 124.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:28,337 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 123.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:28,338 INFO L158 Benchmark]: RCFGBuilder took 517.89ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 104.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:28:28,338 INFO L158 Benchmark]: CodeCheck took 9640.69ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 104.7MB in the beginning and 227.7MB in the end (delta: -123.1MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:28,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.75ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 125.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.79ms. Allocated memory is still 182.5MB. Free memory was 125.6MB in the beginning and 124.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 123.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.89ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 104.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 9640.69ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 104.7MB in the beginning and 227.7MB in the end (delta: -123.1MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:28:28,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/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_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:31,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:31,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:28:31,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:31,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:31,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:31,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:31,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:31,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:31,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:31,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:31,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:31,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:31,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:31,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:31,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:31,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:28:31,309 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:28:31,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:31,310 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:28:31,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:31,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:31,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:31,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:31,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:31,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:31,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:31,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:31,315 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:31,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:31,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:31,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:31,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:31,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:31,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:28:31,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:31,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:31,321 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:28:31,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:31,322 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_baf00f94-3016-43f3-be10-cb4e2a811250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-19 03:28:31,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:31,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:31,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:31,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:31,788 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:31,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-19 03:28:34,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:35,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:35,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-19 03:28:35,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/1ec1d53e0/1490bda57daa422db3bd427d00183d4b/FLAG3cd810e76 [2023-11-19 03:28:35,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/data/1ec1d53e0/1490bda57daa422db3bd427d00183d4b [2023-11-19 03:28:35,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:35,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:35,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:35,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:35,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:35,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef51cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35, skipping insertion in model container [2023-11-19 03:28:35,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:35,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:35,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:35,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:35,541 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:35,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35 WrapperNode [2023-11-19 03:28:35,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:35,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:35,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:35,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:35,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,606 INFO L138 Inliner]: procedures = 20, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-19 03:28:35,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:35,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:35,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:35,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:35,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:35,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:35,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:35,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:35,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2023-11-19 03:28:35,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:35,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:35,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:35,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:28:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 03:28:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:28:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 03:28:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-19 03:28:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-19 03:28:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:35,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:35,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:28:35,862 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:35,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:42,903 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:42,944 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:42,944 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:42,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:42 BoogieIcfgContainer [2023-11-19 03:28:42,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:42,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:42,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:42,964 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:42,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:42" (1/1) ... [2023-11-19 03:28:42,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-19 03:28:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-19 03:28:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:28:43,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:28:43,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:28:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf00f94-3016-43f3-be10-cb4e2a811250/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process