./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array3_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array3_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL --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 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:01,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:01,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:01,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:01,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:01,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:01,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:01,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:01,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:01,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:01,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:01,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:01,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:01,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:01,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:01,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:01,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:01,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:01,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:01,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:01,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:01,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:01,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:01,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:01,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:01,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:01,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:01,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:01,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:01,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:01,588 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:01,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:01,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:01,589 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_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2023-11-19 02:56:01,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:01,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:01,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:01,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:01,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:01,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2023-11-19 02:56:05,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:05,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:05,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/sv-benchmarks/c/array-patterns/array3_pattern.c [2023-11-19 02:56:05,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/data/866859908/0987e0e04c504c4cbef7b204b5b9f329/FLAGa02550af4 [2023-11-19 02:56:05,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/data/866859908/0987e0e04c504c4cbef7b204b5b9f329 [2023-11-19 02:56:05,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:05,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:05,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:05,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:05,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:05,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b37c232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05, skipping insertion in model container [2023-11-19 02:56:05,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:05,574 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_a78babe0-3634-40eb-88c1-b04c8851fa8b/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2023-11-19 02:56:05,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:05,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:05,623 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_a78babe0-3634-40eb-88c1-b04c8851fa8b/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2023-11-19 02:56:05,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:05,648 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:05,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05 WrapperNode [2023-11-19 02:56:05,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:05,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:05,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:05,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:05,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,688 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 02:56:05,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:05,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:05,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:05,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:05,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:05,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:05,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:05,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:05,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:05" (1/1) ... [2023-11-19 02:56:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:05,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:05,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:05,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78babe0-3634-40eb-88c1-b04c8851fa8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:56:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:56:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure square [2023-11-19 02:56:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure square [2023-11-19 02:56:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:05,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:05,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:06,089 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:06,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:06,127 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:56:06,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:06 BoogieIcfgContainer [2023-11-19 02:56:06,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:06,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:06,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:06,148 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:06,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:06" (1/1) ... [2023-11-19 02:56:06,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 02:56:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 02:56:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:56:06,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-19 02:56:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-19 02:56:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:56:06,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 32 transitions. [2023-11-19 02:56:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 02:56:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:56:06,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 45 transitions. [2023-11-19 02:56:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 02:56:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:07,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:07,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 02:56:07,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:07,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:56:07,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 02:56:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:08,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-19 02:56:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 72 transitions. [2023-11-19 02:56:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2023-11-19 02:56:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:11,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:11,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:11,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 02:56:11,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:11,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:56:11,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 02:56:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:12,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-19 02:56:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 69 transitions. [2023-11-19 02:56:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-19 02:56:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:12,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:12,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:12,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:12,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:56:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 102 transitions. [2023-11-19 02:56:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2023-11-19 02:56:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:17,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,589 WARN L260 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 02:56:17,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:17,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:56:18,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 02:56:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:18,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-19 02:56:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:18,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-19 02:56:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:56:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 107 transitions. [2023-11-19 02:56:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-19 02:56:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:56:20,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:20,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:56:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 97 transitions. [2023-11-19 02:56:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-19 02:56:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:56:21,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:56:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 58 states and 110 transitions. [2023-11-19 02:56:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2023-11-19 02:56:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:56:24,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:24,904 WARN L260 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 02:56:24,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:24,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:56:24,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 02:56:25,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 02:56:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:26,341 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-19 02:56:26,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-19 02:56:26,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-19 02:56:26,405 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-19 02:56:26,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-19 02:56:26,694 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:56:26,697 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2023-11-19 02:56:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:26,812 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-19 02:56:26,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-19 02:56:26,944 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:56:26,945 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-11-19 02:56:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:27,071 INFO L349 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2023-11-19 02:56:27,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 130 treesize of output 81 [2023-11-19 02:56:34,919 INFO L349 Elim1Store]: treesize reduction 52, result has 56.3 percent of original size [2023-11-19 02:56:34,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 131 treesize of output 149 [2023-11-19 02:56:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 77 states and 181 transitions. [2023-11-19 02:56:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 181 transitions. [2023-11-19 02:56:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:56:55,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,729 WARN L260 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 02:56:55,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:55,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:56:56,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 02:56:56,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 02:56:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:56,730 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-19 02:56:56,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-19 02:56:56,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-19 02:56:56,773 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-19 02:56:56,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-19 02:56:56,884 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:56:56,885 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99