./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 30e01a73 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_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/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_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:27:16,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:16,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:16,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:16,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:16,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:16,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:16,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:16,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:16,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:16,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:16,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:16,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:16,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:16,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:16,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:16,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:16,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:16,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:16,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:16,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:16,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:16,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:16,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:16,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:16,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:16,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:16,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:16,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:16,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:16,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:16,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:16,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:16,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:16,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:16,991 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_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-23 20:27:17,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:17,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:17,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:17,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:17,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:17,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:27:20,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:20,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:20,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:27:20,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/f544a7c84/487a8796e67943a791475d095b875a23/FLAGd1926b9b8 [2023-11-23 20:27:20,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/f544a7c84/487a8796e67943a791475d095b875a23 [2023-11-23 20:27:20,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:20,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:20,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:20,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:20,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:20,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:20" (1/1) ... [2023-11-23 20:27:20,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fa60e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:20, skipping insertion in model container [2023-11-23 20:27:20,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:20" (1/1) ... [2023-11-23 20:27:20,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:21,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:21,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:21,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:21,149 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:21,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21 WrapperNode [2023-11-23 20:27:21,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:21,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:21,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:21,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:21,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,192 INFO L138 Inliner]: procedures = 16, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-23 20:27:21,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:21,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:21,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:21,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:21,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:21,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:21,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:21,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:21,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:21,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:21,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:27:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:21,384 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:21,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:21,764 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:21,808 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:21,808 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:27:21,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:21 BoogieIcfgContainer [2023-11-23 20:27:21,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:21,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:21,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:21,823 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:21,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:21" (1/1) ... [2023-11-23 20:27:21,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-23 20:27:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-23 20:27:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:27:21,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:22,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:27:22,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:22,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:22,439 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2023-11-23 20:27:22,442 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 [2023-11-23 20:27:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:22,550 INFO L349 Elim1Store]: treesize reduction 51, result has 42.0 percent of original size [2023-11-23 20:27:22,551 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 [2023-11-23 20:27:22,574 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 [2023-11-23 20:27:22,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:22,662 INFO L349 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2023-11-23 20:27:22,663 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 [2023-11-23 20:27:22,798 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 [2023-11-23 20:27:22,829 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 [2023-11-23 20:27:22,884 INFO L349 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2023-11-23 20:27:22,884 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 [2023-11-23 20:27:22,893 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:22,895 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2023-11-23 20:27:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:22,911 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 [2023-11-23 20:27:22,919 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:22,937 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:27:22,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:22,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:23,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 67 transitions. [2023-11-23 20:27:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-23 20:27:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:23,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:27:23,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:23,266 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2023-11-23 20:27:23,267 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 [2023-11-23 20:27:23,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:23,374 INFO L349 Elim1Store]: treesize reduction 51, result has 46.9 percent of original size [2023-11-23 20:27:23,375 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 [2023-11-23 20:27:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:23,461 INFO L349 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2023-11-23 20:27:23,461 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 [2023-11-23 20:27:23,483 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 [2023-11-23 20:27:23,645 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 [2023-11-23 20:27:23,738 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 [2023-11-23 20:27:23,945 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 [2023-11-23 20:27:23,955 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 [2023-11-23 20:27:24,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:24,013 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 [2023-11-23 20:27:24,155 INFO L349 Elim1Store]: treesize reduction 88, result has 43.9 percent of original size [2023-11-23 20:27:24,156 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 [2023-11-23 20:27:26,168 INFO L349 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2023-11-23 20:27:26,168 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 [2023-11-23 20:27:26,271 INFO L349 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2023-11-23 20:27:26,272 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 [2023-11-23 20:27:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,705 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:27:26,706 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 [2023-11-23 20:27:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,719 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:27:26,720 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 [2023-11-23 20:27:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,745 INFO L349 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2023-11-23 20:27:26,746 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 [2023-11-23 20:27:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,757 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:27:26,758 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 [2023-11-23 20:27:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 68 transitions. [2023-11-23 20:27:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-23 20:27:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:26,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:26,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:27:26,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:26,919 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:26,928 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 [2023-11-23 20:27:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,938 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 [2023-11-23 20:27:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,954 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 [2023-11-23 20:27:26,957 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 [2023-11-23 20:27:26,965 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 [2023-11-23 20:27:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:26,972 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 [2023-11-23 20:27:26,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:26,984 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:27:26,985 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 [2023-11-23 20:27:26,986 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,000 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:27:27,000 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 [2023-11-23 20:27:27,003 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:27,009 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 [2023-11-23 20:27:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,016 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 [2023-11-23 20:27:27,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,033 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 [2023-11-23 20:27:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,043 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 [2023-11-23 20:27:27,063 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:27:27,064 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 [2023-11-23 20:27:27,065 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,076 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 [2023-11-23 20:27:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,080 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 [2023-11-23 20:27:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,089 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 [2023-11-23 20:27:27,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,093 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 [2023-11-23 20:27:27,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,109 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 [2023-11-23 20:27:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,113 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 [2023-11-23 20:27:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,132 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 [2023-11-23 20:27:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,138 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 [2023-11-23 20:27:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:27,145 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:27:27,146 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 [2023-11-23 20:27:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 77 transitions. [2023-11-23 20:27:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-23 20:27:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:27,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:27:27,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:28,453 INFO L349 Elim1Store]: treesize reduction 508, result has 21.0 percent of original size [2023-11-23 20:27:28,456 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 [2023-11-23 20:27:28,627 INFO L224 Elim1Store]: Index analysis took 132 ms [2023-11-23 20:27:28,919 INFO L349 Elim1Store]: treesize reduction 286, result has 10.9 percent of original size [2023-11-23 20:27:28,920 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 [2023-11-23 20:27:28,941 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:28,943 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2023-11-23 20:27:29,171 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 [2023-11-23 20:27:29,352 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 [2023-11-23 20:27:29,611 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 [2023-11-23 20:27:29,695 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 [2023-11-23 20:27:29,767 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 [2023-11-23 20:27:30,046 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 [2023-11-23 20:27:30,122 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 [2023-11-23 20:27:30,174 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:30,175 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-23 20:27:30,176 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:30,462 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-23 20:27:30,463 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 [2023-11-23 20:27:30,517 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:27:30,679 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:30,680 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2023-11-23 20:27:30,794 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:30,794 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2023-11-23 20:27:30,951 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 [2023-11-23 20:27:30,991 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:30,991 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2023-11-23 20:27:30,993 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:27:31,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:27:31,101 INFO L349 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2023-11-23 20:27:31,101 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 [2023-11-23 20:27:31,184 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:31,185 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-23 20:27:31,204 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:31,205 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-23 20:27:31,442 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) [2023-11-23 20:27:31,445 INFO L158 Benchmark]: Toolchain (without parser) took 10634.80ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.0MB in the beginning and 51.1MB in the end (delta: 48.9MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,446 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:31,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.95ms. Allocated memory is still 138.4MB. Free memory was 100.0MB in the beginning and 89.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 87.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,447 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 138.4MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,448 INFO L158 Benchmark]: RCFGBuilder took 584.48ms. Allocated memory is still 138.4MB. Free memory was 86.1MB in the beginning and 68.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,448 INFO L158 Benchmark]: CodeCheck took 9634.25ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.5MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-23 20:27:31,451 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 0.37ms. Allocated memory is still 107.0MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.95ms. Allocated memory is still 138.4MB. Free memory was 100.0MB in the beginning and 89.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 87.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 138.4MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.48ms. Allocated memory is still 138.4MB. Free memory was 86.1MB in the beginning and 68.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9634.25ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.5MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:27:31,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/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_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:27:34,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:34,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:27:34,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:34,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:34,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:34,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:34,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:34,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:34,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:34,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:34,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:34,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:34,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:34,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:34,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:34,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:27:34,476 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:27:34,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:34,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:27:34,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:34,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:34,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:34,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:34,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:34,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:34,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:34,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:34,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:34,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:34,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:34,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:34,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:34,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:34,483 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:27:34,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:34,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:34,484 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:27:34,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:34,485 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_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-23 20:27:34,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:34,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:34,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:34,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:34,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:34,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:27:38,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:38,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:38,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:27:38,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/d6922f5cc/10434499d5d244659bb1c90a9bfd83c8/FLAG66a79d04d [2023-11-23 20:27:38,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/data/d6922f5cc/10434499d5d244659bb1c90a9bfd83c8 [2023-11-23 20:27:38,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:38,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:38,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:38,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:38,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:38,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1845c3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38, skipping insertion in model container [2023-11-23 20:27:38,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:38,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:38,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:38,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:38,888 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:38,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38 WrapperNode [2023-11-23 20:27:38,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:38,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:38,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:38,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:38,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,954 INFO L138 Inliner]: procedures = 20, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-23 20:27:38,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:38,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:38,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:38,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:38,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:39,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:39,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:39,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:39,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:39,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:39,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:39,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:27:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:27:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:27:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 20:27:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:27:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:27:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:27:39,269 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:39,271 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:45,837 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:45,911 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:45,911 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:27:45,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:45 BoogieIcfgContainer [2023-11-23 20:27:45,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:45,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:45,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:45,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:45,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:45,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-23 20:27:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-23 20:27:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:27:45,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:46,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:27:46,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:27:46,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b0c44f9-c061-41f1-8e10-f4983be75f66/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process