./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_sqrt1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_sqrt1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac02a57e98f6481647f49b84c91fda6d0505e35fbffb37ed6b508f20e911a1af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:23:57,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:23:57,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:23:57,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:23:57,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:23:58,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:23:58,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:23:58,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:23:58,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:23:58,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:23:58,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:23:58,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:23:58,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:23:58,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:23:58,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:23:58,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:23:58,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:23:58,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:23:58,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:23:58,043 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:23:58,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:23:58,044 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:23:58,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:23:58,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:23:58,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:23:58,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:23:58,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:23:58,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:23:58,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:58,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:23:58,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:23:58,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:23:58,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:23:58,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:23:58,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:23:58,052 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_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac02a57e98f6481647f49b84c91fda6d0505e35fbffb37ed6b508f20e911a1af [2023-11-23 20:23:58,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:23:58,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:23:58,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:23:58,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:23:58,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:23:58,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_sqrt1-ll.c [2023-11-23 20:24:01,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:01,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:01,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/sv-benchmarks/c/recursified_nla-digbench/recursified_sqrt1-ll.c [2023-11-23 20:24:01,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/data/b6f1715c2/11c56cd0d42646acb09943c49c98e848/FLAGdbb79925f [2023-11-23 20:24:01,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/data/b6f1715c2/11c56cd0d42646acb09943c49c98e848 [2023-11-23 20:24:01,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:01,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:01,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:01,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:01,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:01,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:01" (1/1) ... [2023-11-23 20:24:01,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc3f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:01, skipping insertion in model container [2023-11-23 20:24:01,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:01" (1/1) ... [2023-11-23 20:24:01,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:02,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:02,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:02,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:02,137 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:02,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02 WrapperNode [2023-11-23 20:24:02,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:02,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:02,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:02,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:02,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,179 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-23 20:24:02,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:02,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:02,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:02,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:02,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:02,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:02,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:02,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:02,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:02,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:02,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db389d-7300-4296-9bf0-77b0c5c186dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:02,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:24:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_29_to_40_0 [2023-11-23 20:24:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_29_to_40_0 [2023-11-23 20:24:02,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:02,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:24:02,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:24:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:24:02,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:02,433 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:02,435 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:02,911 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:02,952 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:02,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:24:02,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:02 BoogieIcfgContainer [2023-11-23 20:24:02,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:02,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:02,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:02,966 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:02,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 124 states and 131 transitions. [2023-11-23 20:24:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2023-11-23 20:24:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:24:03,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:03,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 127 states and 134 transitions. [2023-11-23 20:24:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2023-11-23 20:24:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:24:04,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:04,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 128 states and 135 transitions. [2023-11-23 20:24:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2023-11-23 20:24:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:24:04,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 129 states and 136 transitions. [2023-11-23 20:24:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2023-11-23 20:24:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:24:04,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:04,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 128 states and 135 transitions. [2023-11-23 20:24:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2023-11-23 20:24:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:24:04,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:04,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 143 transitions. [2023-11-23 20:24:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 143 transitions. [2023-11-23 20:24:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:24:05,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 147 transitions. [2023-11-23 20:24:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-23 20:24:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:24:05,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:05,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 138 states and 151 transitions. [2023-11-23 20:24:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2023-11-23 20:24:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:24:06,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:06,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 141 states and 156 transitions. [2023-11-23 20:24:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 156 transitions. [2023-11-23 20:24:06,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:24:06,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:07,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:24:07,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:07,089 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:24:07,098 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:24:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-23 20:24:07,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:07,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:24:07,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:24:07,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:24:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,234 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:24:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,260 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:07,265 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:24:07,277 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:07,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2023-11-23 20:24:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:24:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-23 20:24:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:24:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:24:07,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-23 20:24:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:24:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,392 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:07,396 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:24:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 8 [2023-11-23 20:24:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-23 20:24:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,477 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 28 treesize of output 15 [2023-11-23 20:24:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:24:07,513 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:24:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-23 20:24:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-23 20:24:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,567 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:24:07,572 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:24:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-23 20:24:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:24:07,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:24:07,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:24:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,644 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:07,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2023-11-23 20:24:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:24:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:24:07,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:24:07,674 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:24:07,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:24:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 156 states and 193 transitions. [2023-11-23 20:24:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2023-11-23 20:24:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:24:11,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:11,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:24:11,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:12,165 INFO L349 Elim1Store]: treesize reduction 324, result has 30.9 percent of original size [2023-11-23 20:24:12,165 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 5 new quantified variables, introduced 12 case distinctions, treesize of input 1798 treesize of output 1137 [2023-11-23 20:24:12,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:24:12,872 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:24:12,876 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2023-11-23 20:24:15,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:24:15,201 INFO L349 Elim1Store]: treesize reduction 114, result has 22.4 percent of original size [2023-11-23 20:24:15,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 897 treesize of output 882 [2023-11-23 20:24:16,273 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 [2023-11-23 20:24:18,286 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 [2023-11-23 20:24:18,647 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:24:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:24:18,712 INFO L349 Elim1Store]: treesize reduction 78, result has 24.3 percent of original size [2023-11-23 20:24:18,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 349 treesize of output 324 [2023-11-23 20:24:19,127 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 [2023-11-23 20:24:19,220 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:24:19,285 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 [2023-11-23 20:24:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver