./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 cf1a7837 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_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:53:20,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:21,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:53:21,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:21,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:21,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:21,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:21,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:21,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:21,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:21,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:21,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:21,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:53:21,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:21,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:53:21,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:21,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:21,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:21,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:21,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:53:21,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:21,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:21,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:21,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:21,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:21,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:21,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:21,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:21,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:21,101 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:21,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:21,102 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:21,103 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_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2023-11-11 23:53:21,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:21,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:21,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:21,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:21,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:21,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-11 23:53:24,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:24,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:24,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-11 23:53:24,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/data/91baca668/e38b177ba95b4238b2a397b75c23eed8/FLAG83684e216 [2023-11-11 23:53:24,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/data/91baca668/e38b177ba95b4238b2a397b75c23eed8 [2023-11-11 23:53:24,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:24,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:24,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:24,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:24,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:24,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:24" (1/1) ... [2023-11-11 23:53:24,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba23903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:24, skipping insertion in model container [2023-11-11 23:53:24,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:24" (1/1) ... [2023-11-11 23:53:24,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:25,048 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_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-11 23:53:25,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:25,078 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:25,091 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_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-11 23:53:25,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:25,118 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:25,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25 WrapperNode [2023-11-11 23:53:25,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:25,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:25,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:25,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:25,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,159 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-11 23:53:25,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:25,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:25,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:25,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:25,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:25,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:25,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:25,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:25,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:25,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:25,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96b6fa7-ad6e-4015-a7c6-632b92f3109b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:53:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:53:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:53:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:53:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:53:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:53:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:25,353 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:25,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:25,550 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:25,640 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:25,651 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:53:25,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:25 BoogieIcfgContainer [2023-11-11 23:53:25,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:25,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:25,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:25,666 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:25,667 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:25" (1/1) ... [2023-11-11 23:53:25,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-11 23:53:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-11 23:53:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:25,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:25,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:53:25,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-11 23:53:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-11 23:53:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:53:25,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:26,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:53:26,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-11 23:53:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:53:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:53:26,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:26,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:26,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:53:26,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-11 23:53:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-11 23:53:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:53:26,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:26,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:26,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:53:26,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:53:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-11 23:53:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-11 23:53:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:53:26,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:27,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:53:27,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:53:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-11 23:53:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-11 23:53:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:53:27,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:27,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-11 23:53:27,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:27,500 INFO L351 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 15 treesize of output 1 [2023-11-11 23:53:28,236 INFO L351 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 311 treesize of output 285 [2023-11-11 23:53:28,728 INFO L322 Elim1Store]: treesize reduction 644, result has 0.8 percent of original size [2023-11-11 23:53:28,729 INFO L351 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 285 treesize of output 734 [2023-11-11 23:53:32,069 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:32,072 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2023-11-11 23:53:32,075 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:53:33,306 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:33,311 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 375 [2023-11-11 23:53:33,322 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:53:33,802 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:33,806 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2023-11-11 23:53:45,273 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-11 23:53:46,328 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:46,330 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2023-11-11 23:53:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:53:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:53:48,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-11 23:53:48,321 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 304 treesize of output 224 [2023-11-11 23:53:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:53:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:53:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:53:49,432 INFO L322 Elim1Store]: treesize reduction 40, result has 43.7 percent of original size [2023-11-11 23:53:49,433 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 774 treesize of output 1365 [2023-11-11 23:53:49,645 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:49,647 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 587 [2023-11-11 23:53:53,531 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:53:54,168 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:53:54,174 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1021 [2023-11-11 23:53:54,190 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:53:58,360 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:54:00,063 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:00,067 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1529 [2023-11-11 23:54:06,863 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:54:10,459 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:10,466 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2738 [2023-11-11 23:54:15,207 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:54:17,436 INFO L322 Elim1Store]: treesize reduction 148, result has 15.9 percent of original size [2023-11-11 23:54:17,437 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 241 treesize of output 138 [2023-11-11 23:54:17,812 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:17,813 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2023-11-11 23:54:23,242 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 208 DAG size of output: 75 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-11 23:54:23,242 INFO L322 Elim1Store]: treesize reduction 1394, result has 17.2 percent of original size [2023-11-11 23:54:23,243 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 1109 treesize of output 2106 [2023-11-11 23:54:23,334 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:23,336 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 737