./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array16_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_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/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_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/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_2fa7f0b2-e0b2-4054-b702-cfc791924128/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 db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:07,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:07,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:51:07,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:07,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:07,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:07,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:07,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:07,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:07,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:07,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:07,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:07,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:07,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:07,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:07,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:07,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:07,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:07,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:07,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:07,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:07,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:07,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:07,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:07,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:07,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:07,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:07,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:07,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:07,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:07,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:07,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:07,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:07,495 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_2fa7f0b2-e0b2-4054-b702-cfc791924128/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2023-11-21 18:51:07,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:07,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:07,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:07,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:07,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:07,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-21 18:51:10,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:11,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:11,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-21 18:51:11,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/data/ea3e9442d/f24a8e32243d470b87d9352482880fd2/FLAG20f42f20e [2023-11-21 18:51:11,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/data/ea3e9442d/f24a8e32243d470b87d9352482880fd2 [2023-11-21 18:51:11,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:11,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:11,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:11,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:11,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:11,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2330e3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11, skipping insertion in model container [2023-11-21 18:51:11,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:11,336 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_2fa7f0b2-e0b2-4054-b702-cfc791924128/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-21 18:51:11,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:11,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:11,414 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_2fa7f0b2-e0b2-4054-b702-cfc791924128/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-21 18:51:11,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:11,471 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:11,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11 WrapperNode [2023-11-21 18:51:11,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:11,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:11,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:11,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:11,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,527 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-21 18:51:11,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:11,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:11,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:11,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:11,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:11,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:11,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:11,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:11,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:11,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:11,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:11,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa7f0b2-e0b2-4054-b702-cfc791924128/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:11,751 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:11,753 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:12,026 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:12,089 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:12,089 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:51:12,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:12 BoogieIcfgContainer [2023-11-21 18:51:12,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:12,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:12,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:12,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:12,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:12" (1/1) ... [2023-11-21 18:51:12,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:51:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:51:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:51:12,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,386 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 18:51:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-21 18:51:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:51:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:12,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:12,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:12,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:12,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:12,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:51:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:51:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:13,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-21 18:51:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-21 18:51:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:51:14,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-21 18:51:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-21 18:51:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:51:14,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:51:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-21 18:51:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-21 18:51:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:51:14,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:51:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-21 18:51:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-21 18:51:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:14,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,827 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 18:51:15,320 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 19 treesize of output 11 [2023-11-21 18:51:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2023-11-21 18:51:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2023-11-21 18:51:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:51:17,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:17,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:19,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2023-11-21 18:51:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2023-11-21 18:51:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:19,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2023-11-21 18:51:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2023-11-21 18:51:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:20,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:20,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:51:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2023-11-21 18:51:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2023-11-21 18:51:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:20,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:20,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-21 18:51:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-21 18:51:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:22,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2023-11-21 18:51:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2023-11-21 18:51:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:51:22,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:51:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2023-11-21 18:51:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2023-11-21 18:51:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:25,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:25,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2023-11-21 18:51:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2023-11-21 18:51:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:51:26,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:26,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:51:26,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:26,704 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 18:51:26,918 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 23 treesize of output 3 [2023-11-21 18:51:27,748 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 279 treesize of output 253 [2023-11-21 18:51:27,788 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2023-11-21 18:51:27,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 253 treesize of output 458 [2023-11-21 18:51:28,220 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:28,222 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2023-11-21 18:51:28,300 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:28,302 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2023-11-21 18:51:28,548 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:28,549 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2023-11-21 18:51:28,610 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:28,614 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2023-11-21 18:51:29,028 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:29,029 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-11-21 18:51:29,054 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:29,055 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-11-21 18:51:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,324 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-21 18:51:29,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 1 [2023-11-21 18:51:29,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,351 INFO L349 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2023-11-21 18:51:29,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 1 [2023-11-21 18:51:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,369 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-11-21 18:51:29,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 40 treesize of output 1 [2023-11-21 18:51:29,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,392 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-21 18:51:29,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 1 [2023-11-21 18:51:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:51:29,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 1 [2023-11-21 18:51:29,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:51:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 1 [2023-11-21 18:51:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:51:29,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:29,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 1 [2023-11-21 18:51:29,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2023-11-21 18:51:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 74 states and 131 transitions. [2023-11-21 18:51:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2023-11-21 18:51:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:33,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:33,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:33,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:33,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2023-11-21 18:51:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2023-11-21 18:51:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:34,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:34,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-21 18:51:34,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:35,167 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 18:51:35,320 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 18:51:35,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:35,762 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 18:51:35,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:35,953 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 18:51:37,610 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 300 treesize of output 268 [2023-11-21 18:51:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:37,699 INFO L349 Elim1Store]: treesize reduction 204, result has 0.5 percent of original size [2023-11-21 18:51:37,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 268 treesize of output 802 [2023-11-21 18:51:39,274 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:39,276 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2023-11-21 18:51:39,302 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:39,305 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2023-11-21 18:51:39,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,423 INFO L349 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2023-11-21 18:51:39,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 6 select indices, 6 select index equivalence classes, 24 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 152 treesize of output 393 [2023-11-21 18:51:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:51:39,516 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:51:39,597 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:51:39,597 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 7 new quantified variables, introduced 8 case distinctions, treesize of input 236 treesize of output 199 [2023-11-21 18:51:43,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 196 treesize of output 138 [2023-11-21 18:51:43,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-11-21 18:51:43,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-11-21 18:51:43,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-11-21 18:51:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 158 transitions. [2023-11-21 18:51:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 158 transitions. [2023-11-21 18:51:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:51:58,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:58,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:58,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:58,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.