./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:04:23,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:23,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:04:23,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:23,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:23,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:23,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:23,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:23,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:23,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:23,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:23,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:23,531 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:04:23,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:23,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:04:23,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:23,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:23,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:23,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:23,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:04:23,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:23,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:23,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:23,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:23,538 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:23,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:23,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:23,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:23,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:23,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:23,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:23,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:23,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:23,542 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_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2023-11-23 20:04:23,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:23,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:23,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:23,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:23,888 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:23,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-23 20:04:27,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:27,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:27,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-23 20:04:27,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/data/dfce63e25/15c9e0ecd06f409f8219d6bd71d3b50a/FLAGd04995704 [2023-11-23 20:04:27,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/data/dfce63e25/15c9e0ecd06f409f8219d6bd71d3b50a [2023-11-23 20:04:27,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:27,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:27,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:27,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:27,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:27,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b115a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27, skipping insertion in model container [2023-11-23 20:04:27,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:27,594 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_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-23 20:04:27,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:27,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:27,646 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_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-23 20:04:27,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:27,686 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:27,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27 WrapperNode [2023-11-23 20:04:27,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:27,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:27,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:27,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:27,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,764 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-23 20:04:27,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:27,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:27,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:27,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:27,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:27,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:27,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:27,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:27,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:27" (1/1) ... [2023-11-23 20:04:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:27,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:27,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:27,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf16ff6-e7a2-4cc3-a2a1-86b11c3479cd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:04:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:04:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:04:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:04:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:04:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:04:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:04:28,029 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:28,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:28,370 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:28,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:28,448 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:04:28,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:28 BoogieIcfgContainer [2023-11-23 20:04:28,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:28,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:28,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:28,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:28,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:28" (1/1) ... [2023-11-23 20:04:28,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-23 20:04:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-23 20:04:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:04:28,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:28,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:04:28,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-23 20:04:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-23 20:04:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:28,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:28,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:28,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:29,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:29,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:29,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:29,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:29,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:29,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:29,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:04:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:04:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:04:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:04:30,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:04:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-23 20:04:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-23 20:04:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:04:30,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:04:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-23 20:04:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-23 20:04:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:04:30,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:30,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:04:30,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:04:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-23 20:04:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-23 20:04:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:04:31,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:31,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:04:31,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:04:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-23 20:04:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-23 20:04:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:04:31,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:31,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:31,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 20:04:31,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:31,583 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 [2023-11-23 20:04:32,221 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 [2023-11-23 20:04:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:04:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2023-11-23 20:04:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2023-11-23 20:04:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:04:35,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:35,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:35,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:04:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2023-11-23 20:04:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2023-11-23 20:04:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:04:37,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:37,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:37,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:37,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:04:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2023-11-23 20:04:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2023-11-23 20:04:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:04:38,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:38,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:38,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:04:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2023-11-23 20:04:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2023-11-23 20:04:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:04:39,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:39,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:39,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:39,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:04:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-23 20:04:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-23 20:04:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:04:41,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:41,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:04:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2023-11-23 20:04:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2023-11-23 20:04:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:04:41,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:42,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:04:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2023-11-23 20:04:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2023-11-23 20:04:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:04:44,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:44,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:44,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:04:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 111 transitions. [2023-11-23 20:04:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2023-11-23 20:04:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:04:46,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:46,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 20:04:46,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:46,239 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 [2023-11-23 20:04:47,319 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 303 treesize of output 277 [2023-11-23 20:04:53,448 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 126 DAG size of output: 5 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-23 20:04:53,448 INFO L349 Elim1Store]: treesize reduction 628, result has 0.8 percent of original size [2023-11-23 20:04:53,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 277 treesize of output 702 [2023-11-23 20:04:54,552 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:54,557 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2023-11-23 20:04:54,570 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:56,056 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:56,057 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2023-11-23 20:04:56,060 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:56,283 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:56,288 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2023-11-23 20:04:56,304 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:57,145 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:57,147 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2023-11-23 20:04:57,149 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:57,745 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:57,748 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2023-11-23 20:04:57,878 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:57,879 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2023-11-23 20:05:05,594 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:05,598 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2023-11-23 20:05:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:09,321 INFO L349 Elim1Store]: treesize reduction 283, result has 8.4 percent of original size [2023-11-23 20:05:09,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 710 treesize of output 1262 [2023-11-23 20:05:11,431 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:11,433 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2023-11-23 20:05:11,440 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:05:12,183 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:12,185 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2023-11-23 20:05:12,187 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:05:12,324 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:12,326 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2023-11-23 20:05:12,332 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:05:12,480 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:12,482 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2023-11-23 20:05:12,484 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:05:12,636 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:12,639 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 458 [2023-11-23 20:05:13,083 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:13,086 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2023-11-23 20:05:13,994 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:05:13,998 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 591 [2023-11-23 20:05:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:05:18,586 INFO L349 Elim1Store]: treesize reduction 32, result has 50.0 percent of original size [2023-11-23 20:05:18,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 325 treesize of output 223