./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:11,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:11,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:11:11,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:11:11,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:11:11,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:11,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:11,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:11,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:11,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:11,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:11,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:11,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:11:11,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:11:11,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:11:11,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:11,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:11,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:11,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:11,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:11,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:11:11,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:11,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:11,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:11,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:11,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:11,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:11,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:11,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:11,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:11,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:11,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:11:11,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:11:11,217 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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-11-08 23:11:11,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:11,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:11,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:11,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:11,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:11,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c Unable to find full path for "g++" [2024-11-08 23:11:13,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:13,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:13,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-11-08 23:11:13,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/fcdb104d6/af755808d74e4d399f1cffe71253379f/FLAGf8eacbe97 [2024-11-08 23:11:13,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/fcdb104d6/af755808d74e4d399f1cffe71253379f [2024-11-08 23:11:13,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:13,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:13,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:13,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:13,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:13,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:13" (1/1) ... [2024-11-08 23:11:13,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717a1ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:13, skipping insertion in model container [2024-11-08 23:11:13,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:13" (1/1) ... [2024-11-08 23:11:13,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:14,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-08 23:11:14,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:14,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:14,116 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-08 23:11:14,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:14,142 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:14,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14 WrapperNode [2024-11-08 23:11:14,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:14,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:14,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:14,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:14,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,175 INFO L138 Inliner]: procedures = 16, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-08 23:11:14,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:14,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:14,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:14,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:14,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:14,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:14,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:14,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:14,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:14,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:14,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:11:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:11:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:11:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:11:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:11:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:11:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:11:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:11:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:11:14,340 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:14,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:14,545 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:14,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:14,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:14,582 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:11:14,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:14 BoogieIcfgContainer [2024-11-08 23:11:14,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:14,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:14,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:14,595 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:14,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:14" (1/1) ... [2024-11-08 23:11:14,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 23:11:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 23:11:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:11:14,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:14,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 23:11:14,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:15,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:15,387 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-08 23:11:15,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2024-11-08 23:11:15,457 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 17 treesize of output 15 [2024-11-08 23:11:15,507 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 17 treesize of output 15 [2024-11-08 23:11:15,574 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:11:15,575 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 110 treesize of output 100 [2024-11-08 23:11:16,051 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 33 treesize of output 29 [2024-11-08 23:11:16,114 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 33 treesize of output 29 [2024-11-08 23:11:16,180 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 33 treesize of output 29 [2024-11-08 23:11:16,303 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:16,308 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2024-11-08 23:11:16,744 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:16,750 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2024-11-08 23:11:17,077 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:17,082 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2024-11-08 23:11:17,534 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:17,537 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2024-11-08 23:11:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:18,341 INFO L349 Elim1Store]: treesize reduction 237, result has 11.9 percent of original size [2024-11-08 23:11:18,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 655 treesize of output 821 [2024-11-08 23:11:18,471 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:18,472 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2024-11-08 23:11:18,482 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:18,486 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 415 [2024-11-08 23:11:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 93 [2024-11-08 23:11:18,783 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:18,785 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2024-11-08 23:11:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,002 INFO L349 Elim1Store]: treesize reduction 73, result has 14.1 percent of original size [2024-11-08 23:11:19,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1436 treesize of output 1354 [2024-11-08 23:11:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2024-11-08 23:11:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-08 23:11:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:11:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:19,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:19,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:19,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-08 23:11:19,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,975 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-11-08 23:11:19,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-11-08 23:11:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:20,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:20,107 INFO L349 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2024-11-08 23:11:20,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 130 [2024-11-08 23:11:20,118 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:20,120 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2024-11-08 23:11:20,161 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:11:20,161 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 76 treesize of output 70 [2024-11-08 23:11:20,277 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 [2024-11-08 23:11:20,371 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 [2024-11-08 23:11:20,434 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 [2024-11-08 23:11:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:20,461 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 [2024-11-08 23:11:20,531 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 135 [2024-11-08 23:11:20,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:20,607 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-08 23:11:20,608 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 36 treesize of output 32 [2024-11-08 23:11:20,622 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:20,623 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2024-11-08 23:11:20,640 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:11:20,762 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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) [2024-11-08 23:11:20,766 INFO L158 Benchmark]: Toolchain (without parser) took 6934.61ms. Allocated memory was 130.0MB in the beginning and 251.7MB in the end (delta: 121.6MB). Free memory was 67.8MB in the beginning and 204.4MB in the end (delta: -136.5MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2024-11-08 23:11:20,767 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 104.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:20,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.53ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 67.5MB in the beginning and 141.0MB in the end (delta: -73.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-08 23:11:20,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.75ms. Allocated memory is still 174.1MB. Free memory was 141.0MB in the beginning and 139.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:11:20,768 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 174.1MB. Free memory was 139.9MB in the beginning and 138.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:20,770 INFO L158 Benchmark]: RCFGBuilder took 383.88ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 138.8MB in the end (delta: -680.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:11:20,770 INFO L158 Benchmark]: CodeCheck took 6181.48ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 138.8MB in the beginning and 204.4MB in the end (delta: -65.5MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2024-11-08 23:11:20,779 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:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 104.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.53ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 67.5MB in the beginning and 141.0MB in the end (delta: -73.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.75ms. Allocated memory is still 174.1MB. Free memory was 141.0MB in the beginning and 139.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 174.1MB. Free memory was 139.9MB in the beginning and 138.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.88ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 138.8MB in the end (delta: -680.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 6181.48ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 138.8MB in the beginning and 204.4MB in the end (delta: -65.5MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:11:20,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:23,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:23,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:11:23,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:23,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:23,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:23,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:23,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:23,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:23,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:23,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:11:23,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:11:23,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:23,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:23,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:23,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:23,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:11:23,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:11:23,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:23,481 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:11:23,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:11:23,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:23,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:23,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:23,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:23,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:23,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:23,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:11:23,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:23,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:23,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:23,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:23,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:23,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:11:23,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:23,490 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:11:23,491 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_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-11-08 23:11:23,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:23,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:23,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:23,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:23,966 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:23,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c Unable to find full path for "g++" [2024-11-08 23:11:26,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:26,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:26,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-11-08 23:11:26,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/3baec0058/8561cb5b39044654a587d13eccff7928/FLAG6fbd90ad4 [2024-11-08 23:11:26,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/data/3baec0058/8561cb5b39044654a587d13eccff7928 [2024-11-08 23:11:26,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:26,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:26,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:26,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:26,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:26,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3f8887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26, skipping insertion in model container [2024-11-08 23:11:26,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:26,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-08 23:11:26,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:26,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:26,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-08 23:11:26,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:26,853 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:26,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26 WrapperNode [2024-11-08 23:11:26,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:26,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:26,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:26,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:26,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,911 INFO L138 Inliner]: procedures = 20, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-08 23:11:26,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:26,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:26,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:26,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:26,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:26,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:26,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:26,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:26,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:26" (1/1) ... [2024-11-08 23:11:26,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:27,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:27,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:11:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:11:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-08 23:11:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:11:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:27,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-08 23:11:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:11:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:11:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:11:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:11:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:11:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:11:27,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:27,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:27,450 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:27,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:27,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:27,507 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:11:27,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:27 BoogieIcfgContainer [2024-11-08 23:11:27,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:27,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:27,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:27,519 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:27,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:27" (1/1) ... [2024-11-08 23:11:27,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 23:11:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 23:11:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:11:27,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:27,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:27,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:27,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:27,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:11:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:27,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:28,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:11:28,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2024-11-08 23:11:28,355 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:28,357 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-11-08 23:11:28,380 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 [2024-11-08 23:11:28,436 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 21 treesize of output 19 [2024-11-08 23:11:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2024-11-08 23:11:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,620 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:11:28,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 23:11:28,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2024-11-08 23:11:28,664 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:28,665 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-08 23:11:28,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:28,689 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 176 treesize of output 143 [2024-11-08 23:11:28,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 1 [2024-11-08 23:11:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,826 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:28,885 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-11-08 23:11:28,885 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2024-11-08 23:11:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-11-08 23:11:28,934 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:11:28,935 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 23 treesize of output 19 [2024-11-08 23:11:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:29,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2024-11-08 23:11:29,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:29,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:11:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-08 23:11:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:11:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:30,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:30,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:30,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:30,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:11:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:31,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:31,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 23:11:31,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:31,937 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-08 23:11:31,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 72 [2024-11-08 23:11:31,949 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:31,954 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-08 23:11:31,972 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 [2024-11-08 23:11:32,239 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 53 treesize of output 49 [2024-11-08 23:11:32,276 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:11:32,277 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 23 treesize of output 19 [2024-11-08 23:11:32,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:32,375 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-11-08 23:11:32,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2024-11-08 23:11:32,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-11-08 23:11:32,791 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-08 23:11:32,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 72 [2024-11-08 23:11:32,800 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:32,802 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-08 23:11:32,822 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 [2024-11-08 23:11:33,108 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 21 treesize of output 19 [2024-11-08 23:11:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:33,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2024-11-08 23:11:33,204 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:33,206 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2024-11-08 23:11:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:33,347 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:11:33,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 23:11:33,398 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:11:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:35,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 124 [2024-11-08 23:11:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:35,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-08 23:11:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:35,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-08 23:11:36,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 77 [2024-11-08 23:11:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:36,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:11:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-11-08 23:11:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-08 23:11:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:43,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:43,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:43,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:11:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:43,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:44,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:11:44,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:45,104 INFO L349 Elim1Store]: treesize reduction 228, result has 21.1 percent of original size [2024-11-08 23:11:45,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 170 treesize of output 373 [2024-11-08 23:11:45,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:45,169 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 27 treesize of output 24 [2024-11-08 23:11:45,302 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:11:45,303 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 61 treesize of output 57 [2024-11-08 23:11:45,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:45,375 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 27 treesize of output 24 [2024-11-08 23:11:45,812 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:45,826 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 53 treesize of output 38 [2024-11-08 23:11:45,917 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:45,932 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 53 treesize of output 38 [2024-11-08 23:11:46,504 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:46,525 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 53 treesize of output 38 [2024-11-08 23:11:46,718 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:46,721 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 519 [2024-11-08 23:11:47,698 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:47,703 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 560 [2024-11-08 23:11:48,607 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:48,613 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 716 [2024-11-08 23:11:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,159 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:50,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 368 [2024-11-08 23:11:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:50,753 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:11:50,766 INFO L224 Elim1Store]: Index analysis took 121 ms [2024-11-08 23:11:50,842 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-08 23:11:50,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 250 treesize of output 221 [2024-11-08 23:11:51,743 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:51,748 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 509 [2024-11-08 23:11:52,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:11:52,409 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-08 23:11:52,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 105 [2024-11-08 23:11:52,509 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:52,513 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 597 [2024-11-08 23:11:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:55,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:12:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 86 transitions. [2024-11-08 23:12:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-08 23:12:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:12:00,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:00,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:00,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:00,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:00,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:12:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:00,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:01,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 23:12:01,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:01,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:12:01,265 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-11-08 23:12:01,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 53 [2024-11-08 23:12:01,480 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-08 23:12:01,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 61 [2024-11-08 23:12:01,698 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:12:01,699 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 23 treesize of output 19 [2024-11-08 23:12:02,071 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-08 23:12:02,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 72 [2024-11-08 23:12:02,079 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:02,080 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-08 23:12:02,099 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 [2024-11-08 23:12:02,301 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 21 treesize of output 19 [2024-11-08 23:12:02,589 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-08 23:12:02,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 72 [2024-11-08 23:12:02,837 INFO L349 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2024-11-08 23:12:02,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 87 [2024-11-08 23:12:02,844 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:02,845 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-08 23:12:02,866 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 [2024-11-08 23:12:02,947 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 104 [2024-11-08 23:12:03,007 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:12:03,175 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 53 treesize of output 49 [2024-11-08 23:12:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:03,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2024-11-08 23:12:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:03,301 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:12:03,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 23:12:03,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2024-11-08 23:12:03,379 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:03,380 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-08 23:12:03,397 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:12:03,408 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 176 treesize of output 143 [2024-11-08 23:12:03,417 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:12:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:04,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 124 [2024-11-08 23:12:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:04,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-08 23:12:04,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:04,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-08 23:12:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:06,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 168 [2024-11-08 23:12:06,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 105 [2024-11-08 23:12:06,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 157 [2024-11-08 23:12:07,623 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-08 23:12:07,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 253 treesize of output 209 [2024-11-08 23:12:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:08,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 58 states and 141 transitions. [2024-11-08 23:12:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2024-11-08 23:12:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:12:24,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:24,601 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:12:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:24,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:25,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 23:12:25,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:25,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:12:25,162 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 42 treesize of output 40 [2024-11-08 23:12:25,182 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:12:25,307 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-11-08 23:12:25,308 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 47 [2024-11-08 23:12:25,378 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-08 23:12:25,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2024-11-08 23:12:25,421 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:12:25,546 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-11-08 23:12:25,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 52 [2024-11-08 23:12:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:12:25,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2024-11-08 23:12:25,716 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2024-11-08 23:12:25,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 50 [2024-11-08 23:13:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:13:45,968 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-08 23:13:45,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 49 [2024-11-08 23:13:46,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:13:46,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-08 23:13:57,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 56 [2024-11-08 23:13:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:13:58,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:21:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 69 states and 221 transitions. [2024-11-08 23:21:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 221 transitions. [2024-11-08 23:21:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:21:45,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:45,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:45,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:21:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:46,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:47,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-08 23:21:47,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2024-11-08 23:21:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2024-11-08 23:21:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:47,404 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:21:47,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 23:21:47,456 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:47,457 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-08 23:21:47,475 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:47,476 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 176 treesize of output 143 [2024-11-08 23:21:47,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 1 [2024-11-08 23:21:47,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-08 23:21:47,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2024-11-08 23:21:47,679 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:47,680 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-11-08 23:21:47,705 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 [2024-11-08 23:21:47,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:48,084 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-11-08 23:21:48,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 53 [2024-11-08 23:21:48,317 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-08 23:21:48,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 61 [2024-11-08 23:21:48,574 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 23:21:48,575 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 23 treesize of output 19 [2024-11-08 23:21:48,652 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 21 treesize of output 19 [2024-11-08 23:21:48,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2024-11-08 23:21:48,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2024-11-08 23:21:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:48,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2024-11-08 23:21:48,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:48,868 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 13 treesize of output 17 [2024-11-08 23:21:48,901 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:48,901 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-08 23:21:48,937 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:48,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 20 treesize of output 17 [2024-11-08 23:21:48,984 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:49,001 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 13 treesize of output 17 [2024-11-08 23:21:49,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:21:49,052 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 13 treesize of output 17 [2024-11-08 23:21:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:50,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 124 [2024-11-08 23:21:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:50,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-08 23:21:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:50,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-08 23:21:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:21:53,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 168 [2024-11-08 23:21:53,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 105 [2024-11-08 23:21:53,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 157 [2024-11-08 23:22:03,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:22:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:22:04,028 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-11-08 23:22:04,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-11-08 23:22:04,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 213 [2024-11-08 23:22:04,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 504 treesize of output 465 [2024-11-08 23:22:04,125 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:22:04,127 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2024-11-08 23:23:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:23:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:23:50,639 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:23:50,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 746 treesize of output 720 [2024-11-08 23:23:50,753 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:23:50,754 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-11-08 23:23:50,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 458 treesize of output 450 [2024-11-08 23:23:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:23:53,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c918047c-f282-4543-a828-454b3e46d165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0