./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/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_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/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_5828f2cd-9e99-465d-9717-12bab8815933/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 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:43:03,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:43:03,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:43:03,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:43:03,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:43:03,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:43:03,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:43:03,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:43:03,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:43:03,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:43:03,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:43:03,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:43:03,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:43:03,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:43:03,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:43:03,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:43:03,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:43:03,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:43:03,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:43:03,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:43:03,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:43:03,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:43:03,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:43:03,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:43:03,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:43:03,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:43:03,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:43:03,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:03,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:43:03,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:43:03,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:43:03,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:43:03,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:43:03,738 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_5828f2cd-9e99-465d-9717-12bab8815933/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 [2024-11-08 19:43:04,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:43:04,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:43:04,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:43:04,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:43:04,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:43:04,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c Unable to find full path for "g++" [2024-11-08 19:43:06,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:43:06,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:43:06,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c [2024-11-08 19:43:06,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/a37e4c33d/746d783d2bfe45ada1eafda212121a4b/FLAG0777ac02a [2024-11-08 19:43:06,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/a37e4c33d/746d783d2bfe45ada1eafda212121a4b [2024-11-08 19:43:06,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:43:06,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:43:06,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:06,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:43:06,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:43:06,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:06" (1/1) ... [2024-11-08 19:43:06,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2ba729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:06, skipping insertion in model container [2024-11-08 19:43:06,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:06" (1/1) ... [2024-11-08 19:43:06,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:43:06,948 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_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c[987,1000] [2024-11-08 19:43:06,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:06,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:43:06,996 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_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c[987,1000] [2024-11-08 19:43:07,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:07,029 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:43:07,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07 WrapperNode [2024-11-08 19:43:07,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:07,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:07,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:43:07,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:43:07,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,066 INFO L138 Inliner]: procedures = 16, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2024-11-08 19:43:07,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:07,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:43:07,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:43:07,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:43:07,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:43:07,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:43:07,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:43:07,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:43:07,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:07,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:43:07,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:43:07,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:43:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:43:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:43:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:43:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:43:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:43:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:43:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:43:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:43:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:43:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-11-08 19:43:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-11-08 19:43:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:43:07,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:43:07,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:43:07,646 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:43:07,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:43:07,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:43:07,717 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:43:07,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:07 BoogieIcfgContainer [2024-11-08 19:43:07,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:43:07,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:43:07,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:43:07,737 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:43:07,737 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:07" (1/1) ... [2024-11-08 19:43:07,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:43:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 19:43:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 19:43:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:43:07,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:08,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 19:43:08,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,226 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 56 treesize of output 55 [2024-11-08 19:43:08,240 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:08,242 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-11-08 19:43:08,276 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 19:43:08,305 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 19:43:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,420 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-08 19:43:08,421 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 38 treesize of output 34 [2024-11-08 19:43:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,440 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 34 treesize of output 30 [2024-11-08 19:43:08,450 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:08,450 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 19:43:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,510 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 56 treesize of output 55 [2024-11-08 19:43:08,529 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:08,531 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-11-08 19:43:08,547 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 19:43:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,576 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 61 treesize of output 60 [2024-11-08 19:43:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:08,590 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:08,883 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 19:43:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-11-08 19:43:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 19:43:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:43:09,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:09,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:09,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-08 19:43:09,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:09,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:09,591 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 61 treesize of output 60 [2024-11-08 19:43:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:09,621 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:09,622 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 19:43:09,647 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 64 treesize of output 63 [2024-11-08 19:43:09,655 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:09,656 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2024-11-08 19:43:09,671 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 136 treesize of output 129 [2024-11-08 19:43:09,684 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 19:43:09,777 INFO L349 Elim1Store]: treesize reduction 59, result has 30.6 percent of original size [2024-11-08 19:43:09,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 41 [2024-11-08 19:43:09,825 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-08 19:43:09,825 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 41 treesize of output 53 [2024-11-08 19:43:09,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:43:09,901 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:09,902 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 11 treesize of output 7 [2024-11-08 19:43:09,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:43:09,974 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:09,974 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 19:43:10,052 INFO L349 Elim1Store]: treesize reduction 50, result has 44.4 percent of original size [2024-11-08 19:43:10,053 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 56 treesize of output 66 [2024-11-08 19:43:10,101 INFO L349 Elim1Store]: treesize reduction 52, result has 25.7 percent of original size [2024-11-08 19:43:10,102 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 70 treesize of output 81 [2024-11-08 19:43:10,109 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:10,111 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2024-11-08 19:43:10,124 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 19:43:10,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 99 [2024-11-08 19:43:10,202 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 19:43:10,324 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 19:43:10,346 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 19:43:10,365 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 56 treesize of output 55 [2024-11-08 19:43:10,370 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:10,371 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-11-08 19:43:10,379 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 19:43:10,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:10,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:10,863 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 154 treesize of output 61 [2024-11-08 19:43:11,174 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 19:43:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 68 transitions. [2024-11-08 19:43:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-08 19:43:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:43:13,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:13,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:43:13,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:14,018 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-08 19:43:14,019 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 19:43:14,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 19:43:14,097 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:14,098 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 77 treesize of output 73 [2024-11-08 19:43:14,132 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 19:43:14,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-11-08 19:43:14,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-11-08 19:43:14,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-11-08 19:43:14,639 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:14,642 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2024-11-08 19:43:14,948 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:14,951 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2024-11-08 19:43:15,210 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:15,214 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 614 [2024-11-08 19:43:16,000 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:16,003 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 458 [2024-11-08 19:43:16,273 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:16,276 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 483 [2024-11-08 19:43:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:17,297 INFO L349 Elim1Store]: treesize reduction 144, result has 27.6 percent of original size [2024-11-08 19:43:17,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 13728 treesize of output 13148 [2024-11-08 19:43:18,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:43:19,661 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 19:43:19,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:43:19,851 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:19,852 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-08 19:43:19,892 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 19:43:20,327 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,328 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2024-11-08 19:43:20,491 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,492 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2024-11-08 19:43:20,527 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,529 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 262 [2024-11-08 19:43:20,587 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,588 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2024-11-08 19:43:20,623 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,624 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2024-11-08 19:43:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,689 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-08 19:43:20,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 18 [2024-11-08 19:43:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,720 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:20,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 5 [2024-11-08 19:43:20,746 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:20,747 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2024-11-08 19:43:20,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,794 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:20,797 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:20,802 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:20,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 11 [2024-11-08 19:43:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 89 transitions. [2024-11-08 19:43:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-11-08 19:43:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:43:22,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:22,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:22,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:43:22,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-11-08 19:43:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 15 [2024-11-08 19:43:22,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 17 [2024-11-08 19:43:22,340 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 19:43:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:43:22,361 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:22,362 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-08 19:43:22,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:43:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,392 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 41 treesize of output 17 [2024-11-08 19:43:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,401 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 19:43:22,410 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-08 19:43:22,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2024-11-08 19:43:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-08 19:43:22,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:22,426 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 19 treesize of output 15 [2024-11-08 19:43:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 96 transitions. [2024-11-08 19:43:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2024-11-08 19:43:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:43:24,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:24,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-08 19:43:24,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 133 [2024-11-08 19:43:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 106 treesize of output 128 [2024-11-08 19:43:24,782 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:24,783 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2024-11-08 19:43:24,789 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:24,790 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2024-11-08 19:43:24,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2024-11-08 19:43:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:24,844 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:24,845 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 19:43:24,846 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 19:43:24,975 INFO L349 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2024-11-08 19:43:24,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-11-08 19:43:25,027 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2024-11-08 19:43:25,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-11-08 19:43:25,075 INFO L349 Elim1Store]: treesize reduction 131, result has 0.8 percent of original size [2024-11-08 19:43:25,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 1 [2024-11-08 19:43:25,099 INFO L349 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2024-11-08 19:43:25,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 1 [2024-11-08 19:43:25,111 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 19:43:25,111 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 19:43:25,193 INFO L349 Elim1Store]: treesize reduction 104, result has 27.8 percent of original size [2024-11-08 19:43:25,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 134 [2024-11-08 19:43:25,301 INFO L349 Elim1Store]: treesize reduction 64, result has 29.7 percent of original size [2024-11-08 19:43:25,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 145 [2024-11-08 19:43:25,308 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:25,309 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2024-11-08 19:43:25,311 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:43:25,324 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:25,325 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2024-11-08 19:43:25,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2024-11-08 19:43:25,545 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 19:43:25,548 INFO L158 Benchmark]: Toolchain (without parser) took 18833.45ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 127.1MB in the beginning and 143.8MB in the end (delta: -16.7MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,549 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:43:25,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.13ms. Allocated memory is still 165.7MB. Free memory was 127.1MB in the beginning and 113.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.69ms. Allocated memory is still 165.7MB. Free memory was 113.8MB in the beginning and 111.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,554 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,554 INFO L158 Benchmark]: RCFGBuilder took 613.58ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 90.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,555 INFO L158 Benchmark]: CodeCheck took 17829.66ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 90.8MB in the beginning and 143.8MB in the end (delta: -53.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-08 19:43:25,560 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 0.26ms. Allocated memory is still 119.5MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.13ms. Allocated memory is still 165.7MB. Free memory was 127.1MB in the beginning and 113.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.69ms. Allocated memory is still 165.7MB. Free memory was 113.8MB in the beginning and 111.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.37ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.58ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 90.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 17829.66ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 90.8MB in the beginning and 143.8MB in the end (delta: -53.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:43:25,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/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_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/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_5828f2cd-9e99-465d-9717-12bab8815933/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 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:43:28,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:43:28,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:43:28,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:43:28,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:43:28,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:43:28,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:43:28,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:43:28,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:43:28,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:43:28,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:43:28,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:43:28,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:43:28,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:43:28,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:43:28,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:43:28,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:43:28,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:43:28,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:43:28,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:43:28,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:43:28,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:43:28,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:43:28,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:43:28,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:43:28,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:43:28,258 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:28,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:43:28,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:43:28,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:28,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:43:28,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:43:28,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:43:28,260 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:43:28,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:28,263 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:43:28,263 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_5828f2cd-9e99-465d-9717-12bab8815933/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 [2024-11-08 19:43:28,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:43:28,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:43:28,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:43:28,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:43:28,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:43:28,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c Unable to find full path for "g++" [2024-11-08 19:43:30,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:43:31,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:43:31,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c [2024-11-08 19:43:31,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/b0138c478/3365baa2eaa34a67afd3d24336549395/FLAG164ff5f8b [2024-11-08 19:43:31,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/data/b0138c478/3365baa2eaa34a67afd3d24336549395 [2024-11-08 19:43:31,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:43:31,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:43:31,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:31,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:43:31,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:43:31,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:31,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7321610b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31, skipping insertion in model container [2024-11-08 19:43:31,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:31,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:43:31,810 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_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c[987,1000] [2024-11-08 19:43:31,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:31,878 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:43:31,894 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_5828f2cd-9e99-465d-9717-12bab8815933/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c[987,1000] [2024-11-08 19:43:31,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:31,949 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:43:31,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31 WrapperNode [2024-11-08 19:43:31,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:31,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:31,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:43:31,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:43:31,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:31,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,009 INFO L138 Inliner]: procedures = 20, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-08 19:43:32,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:32,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:43:32,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:43:32,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:43:32,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:43:32,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:43:32,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:43:32,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:43:32,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:31" (1/1) ... [2024-11-08 19:43:32,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:32,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:43:32,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:43:32,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:43:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:43:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:43:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:43:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-08 19:43:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-08 19:43:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:43:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:43:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-08 19:43:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:43:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:43:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-08 19:43:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-11-08 19:43:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-11-08 19:43:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:43:32,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:43:32,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:43:33,301 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:43:33,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:43:33,376 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:43:33,377 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:43:33,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:33 BoogieIcfgContainer [2024-11-08 19:43:33,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:43:33,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:43:33,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:43:33,405 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:43:33,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:33" (1/1) ... [2024-11-08 19:43:33,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:43:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 19:43:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 19:43:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:43:33,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:33,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:33,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:43:33,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:43:33,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:43:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:35,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:43:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:37,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:43:37,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,250 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 74 treesize of output 71 [2024-11-08 19:43:38,274 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:43:38,277 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2024-11-08 19:43:38,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 102 [2024-11-08 19:43:38,469 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 50 treesize of output 48 [2024-11-08 19:43:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:38,940 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 79 treesize of output 76 [2024-11-08 19:43:39,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,040 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 76 treesize of output 77 [2024-11-08 19:43:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,261 INFO L224 Elim1Store]: Index analysis took 159 ms [2024-11-08 19:43:39,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 32 [2024-11-08 19:43:39,299 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:39,301 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 19:43:39,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:39,381 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 19:43:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,554 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 19:43:39,555 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 19:43:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:39,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:39,669 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-11-08 19:43:39,669 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 55 treesize of output 41 [2024-11-08 19:43:39,787 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 19:43:39,787 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 19:43:39,888 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 41 treesize of output 35 [2024-11-08 19:43:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,082 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 74 treesize of output 71 [2024-11-08 19:43:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,201 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 71 treesize of output 72 [2024-11-08 19:43:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:43:40,344 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 56 treesize of output 32 [2024-11-08 19:43:40,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:40,411 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 19:43:40,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:40,716 INFO L349 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2024-11-08 19:43:40,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 32 [2024-11-08 19:43:40,801 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:43:43,373 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 19:43:43,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:43:54,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:43:57,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:43:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-11-08 19:43:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 19:43:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:43:58,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:43:58,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:43:58,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:44:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:07,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:44:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:09,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 19:44:09,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:09,414 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:44:10,720 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-11-08 19:44:10,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2024-11-08 19:44:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:10,925 INFO L224 Elim1Store]: Index analysis took 155 ms [2024-11-08 19:44:11,198 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-08 19:44:11,199 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 3 case distinctions, treesize of input 78 treesize of output 79 [2024-11-08 19:44:11,511 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 19:44:11,512 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 92 treesize of output 86 [2024-11-08 19:44:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:44:30,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:44:30,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 571 treesize of output 215 [2024-11-08 19:44:33,747 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 419 treesize of output 259 [2024-11-08 19:44:36,045 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 19:44:36,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:45:07,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:45:15,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:45:31,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:45:42,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:46:08,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:46:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 70 transitions. [2024-11-08 19:46:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 19:46:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:46:12,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:12,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:12,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5828f2cd-9e99-465d-9717-12bab8815933/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process