./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2 --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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:58,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:58,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:42:58,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:58,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:58,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:58,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:58,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:58,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:58,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:58,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:58,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:58,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:58,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:58,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:58,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:58,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:58,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:58,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:58,650 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:58,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:58,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:58,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:58,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:58,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:58,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:58,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:58,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:58,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:58,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:58,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:58,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:58,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:58,660 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_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2023-11-21 18:42:58,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:58,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:58,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:58,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:58,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:58,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-21 18:43:02,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:02,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:02,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-21 18:43:02,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/data/7fa0693bb/fd22e57984ee4aeeb2e1efc37fdc4597/FLAG2f86d703b [2023-11-21 18:43:02,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/data/7fa0693bb/fd22e57984ee4aeeb2e1efc37fdc4597 [2023-11-21 18:43:02,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:02,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:02,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:02,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:02,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:02,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285284ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02, skipping insertion in model container [2023-11-21 18:43:02,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:02,665 WARN L240 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_ba54c104-7ef3-4375-86bf-25895b722d3e/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-21 18:43:02,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:02,734 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:02,750 WARN L240 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_ba54c104-7ef3-4375-86bf-25895b722d3e/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-21 18:43:02,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:02,822 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:02,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02 WrapperNode [2023-11-21 18:43:02,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:02,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:02,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:02,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:02,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,867 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-21 18:43:02,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:02,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:02,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:02,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:02,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:02,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:02,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:02,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:02,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:02" (1/1) ... [2023-11-21 18:43:02,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:02,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:02,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:02,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba54c104-7ef3-4375-86bf-25895b722d3e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-21 18:43:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-21 18:43:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:03,068 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:03,071 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:03,329 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:03,493 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:03,494 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:43:03,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:03 BoogieIcfgContainer [2023-11-21 18:43:03,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:03,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:03,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:03,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:03,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:03" (1/1) ... [2023-11-21 18:43:03,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-21 18:43:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-21 18:43:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:43:03,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:03,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:03,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:43:03,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:03,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-21 18:43:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-21 18:43:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:43:03,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:03,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:03,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:43:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-21 18:43:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-21 18:43:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:43:04,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:04,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:04,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-21 18:43:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-21 18:43:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:43:04,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:04,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:04,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2023-11-21 18:43:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2023-11-21 18:43:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:43:05,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:05,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:05,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:05,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:43:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-21 18:43:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-21 18:43:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:05,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:05,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:05,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:05,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:43:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2023-11-21 18:43:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2023-11-21 18:43:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:05,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:05,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:05,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:05,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:43:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2023-11-21 18:43:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2023-11-21 18:43:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:06,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:06,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:06,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:06,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2023-11-21 18:43:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2023-11-21 18:43:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:06,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:06,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:06,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:06,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2023-11-21 18:43:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2023-11-21 18:43:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:07,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:07,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:43:07,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-11-21 18:43:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-21 18:43:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:43:08,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:08,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:08,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:08,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2023-11-21 18:43:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2023-11-21 18:43:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:43:10,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:10,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:10,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2023-11-21 18:43:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2023-11-21 18:43:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:43:10,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:10,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:10,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:10,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-21 18:43:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-21 18:43:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:43:10,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:10,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:10,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:43:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2023-11-21 18:43:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2023-11-21 18:43:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:43:12,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:12,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:43:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2023-11-21 18:43:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-21 18:43:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:43:12,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:12,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:43:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2023-11-21 18:43:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2023-11-21 18:43:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:43:14,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,816 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 101 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,386 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 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:43:15,530 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 19 treesize of output 18 [2023-11-21 18:43:15,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:15,938 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 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:43:16,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:16,111 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 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:43:18,296 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:43:18,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-21 18:43:20,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-21 18:43:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:20,202 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-21 18:43:20,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-21 18:43:20,362 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:20,365 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2023-11-21 18:43:23,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:23,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2023-11-21 18:43:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 79 states and 138 transitions. [2023-11-21 18:43:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2023-11-21 18:43:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:43:36,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:37,397 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 105 conjunts are in the unsatisfiable core [2023-11-21 18:43:37,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:37,471 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 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:43:37,514 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 19 treesize of output 18 [2023-11-21 18:43:37,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:37,594 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 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:43:37,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:37,628 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 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:43:38,656 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:43:38,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-21 18:43:39,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-21 18:43:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,563 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-21 18:43:39,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-21 18:43:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:39,758 INFO L349 Elim1Store]: treesize reduction 144, result has 37.1 percent of original size [2023-11-21 18:43:39,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 171 [2023-11-21 18:43:41,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:41,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2023-11-21 18:43:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 90 states and 160 transitions. [2023-11-21 18:43:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-21 18:43:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:43:46,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:46,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:47,569 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 118 conjunts are in the unsatisfiable core [2023-11-21 18:43:47,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:47,621 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 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:43:47,650 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 19 treesize of output 18 [2023-11-21 18:43:47,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:47,753 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 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:43:47,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:47,786 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 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:43:49,216 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:43:49,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-21 18:43:50,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-21 18:43:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,607 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-21 18:43:50,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-21 18:43:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:50,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,215 INFO L349 Elim1Store]: treesize reduction 280, result has 19.3 percent of original size [2023-11-21 18:43:51,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 183 treesize of output 323 [2023-11-21 18:43:51,648 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:51,652 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2023-11-21 18:43:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:51,981 INFO L349 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2023-11-21 18:43:51,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 96