./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array2_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array2_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi --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 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:20,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:20,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:20,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:20,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:20,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:20,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:20,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:20,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:20,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:20,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:20,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:20,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:20,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:20,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:20,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:20,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:20,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:20,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:20,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:20,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:20,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:20,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:20,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:20,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:20,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:20,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:20,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:20,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:20,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:20,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:20,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:20,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:20,816 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_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 [2023-11-24 22:59:21,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:21,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:21,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:21,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:21,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:21,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-24 22:59:24,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:24,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:24,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-24 22:59:24,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/data/7726d6667/9cca21b12cbd486d9193a1b62ebbb819/FLAG95826781a [2023-11-24 22:59:24,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/data/7726d6667/9cca21b12cbd486d9193a1b62ebbb819 [2023-11-24 22:59:24,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:24,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:24,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:24,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:24,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:24,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:24" (1/1) ... [2023-11-24 22:59:24,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605d1768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:24, skipping insertion in model container [2023-11-24 22:59:24,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:24" (1/1) ... [2023-11-24 22:59:24,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:25,162 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_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-24 22:59:25,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:25,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:25,227 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_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-24 22:59:25,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:25,279 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:25,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25 WrapperNode [2023-11-24 22:59:25,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:25,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:25,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:25,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:25,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,350 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-24 22:59:25,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:25,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:25,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:25,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:25,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:25,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:25,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:25,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:25,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:25,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:25,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:25,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa5dc20-2f32-46c0-ab86-eebf6bf3ad76/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:59:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:59:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:25,539 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:25,541 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:25,716 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:25,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:25,760 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:59:25,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:25 BoogieIcfgContainer [2023-11-24 22:59:25,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:25,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:25,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:25,773 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:25,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:25" (1/1) ... [2023-11-24 22:59:25,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-24 22:59:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-24 22:59:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:25,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:25,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-24 22:59:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-24 22:59:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:59:26,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:26,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2023-11-24 22:59:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-24 22:59:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:59:26,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:26,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:59:26,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2023-11-24 22:59:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-24 22:59:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:59:26,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:59:27,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:27,125 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 10 treesize of output 8 [2023-11-24 22:59:27,209 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 27 treesize of output 15 [2023-11-24 22:59:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:27,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-24 22:59:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 47 transitions. [2023-11-24 22:59:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-24 22:59:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:59:29,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:29,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:59:29,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 57 transitions. [2023-11-24 22:59:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-24 22:59:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:59:31,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:31,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:59:31,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 67 transitions. [2023-11-24 22:59:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-24 22:59:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:33,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:33,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:59:33,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:33,723 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 10 treesize of output 8 [2023-11-24 22:59:33,851 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 27 treesize of output 15 [2023-11-24 22:59:33,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:59:34,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,047 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-24 22:59:35,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-24 22:59:35,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-24 22:59:35,120 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-24 22:59:35,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-24 22:59:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,503 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-24 22:59:35,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-24 22:59:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:35,702 INFO L349 Elim1Store]: treesize reduction 55, result has 5.2 percent of original size [2023-11-24 22:59:35,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 89 [2023-11-24 22:59:35,796 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:35,798 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-11-24 22:59:36,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:36,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-24 22:59:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 87 transitions. [2023-11-24 22:59:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-24 22:59:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:43,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:43,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 22:59:43,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:43,161 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 10 treesize of output 8 [2023-11-24 22:59:43,199 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 27 treesize of output 15 [2023-11-24 22:59:43,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:59:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:43,820 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-24 22:59:43,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-24 22:59:43,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-24 22:59:43,874 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-24 22:59:43,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-24 22:59:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,176 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-24 22:59:44,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-24 22:59:44,279 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:44,280 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2023-11-24 22:59:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:59:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:44,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:59:44,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 50 [2023-11-24 22:59:44,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:44,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-24 22:59:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 94 transitions. [2023-11-24 22:59:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2023-11-24 22:59:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:46,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:59:47,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:47,039 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 10 treesize of output 8 [2023-11-24 22:59:47,069 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 27 treesize of output 15 [2023-11-24 22:59:47,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:59:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:47,504 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-24 22:59:47,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-24 22:59:47,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-24 22:59:47,544 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-24 22:59:47,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-24 22:59:47,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:47,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:59:47,886 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-24 22:59:47,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-24 22:59:48,007 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:48,009 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2023-11-24 22:59:48,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 27 [2023-11-24 22:59:48,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:59:48,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-24 22:59:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 95 transitions. [2023-11-24 22:59:49,395 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-24 22:59:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:59:49,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:49,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:49,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:49,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 58 states and 107 transitions. [2023-11-24 22:59:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-24 22:59:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:59:53,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:53,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 114 transitions. [2023-11-24 22:59:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-24 22:59:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:59:55,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:55,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 134 transitions. [2023-11-24 23:00:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2023-11-24 23:00:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:00:00,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:00:00,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 139 transitions. [2023-11-24 23:00:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-24 23:00:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:00:04,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,247 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-24 23:00:04,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:04,303 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 10 treesize of output 8 [2023-11-24 23:00:04,339 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 27 treesize of output 15 [2023-11-24 23:00:04,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 23:00:04,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-24 23:00:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:00:06,993 INFO L349 Elim1Store]: treesize reduction 109, result has 23.2 percent of original size [2023-11-24 23:00:06,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 198 treesize of output 190 [2023-11-24 23:00:07,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 136 [2023-11-24 23:00:07,041 INFO L349 Elim1Store]: treesize reduction 141, result has 0.7 percent of original size [2023-11-24 23:00:07,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 165 [2023-11-24 23:00:07,128 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:00:07,129 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2023-11-24 23:00:13,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 619 treesize of output 541 [2023-11-24 23:00:13,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:00:13,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 541 treesize of output 615 [2023-11-24 23:00:14,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:00:14,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1362 treesize of output 1318