./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array19_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array19_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21ab39d122ec2c6e96fa6b8c9d53d6f966068253a8a3d3ba32389613dd7dc54a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:40,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:40,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:42:40,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:40,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:40,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:40,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:40,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:40,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:40,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:40,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:40,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:40,607 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:40,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:40,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:40,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:40,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:40,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:40,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:40,611 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:40,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:40,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:40,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:40,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:40,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:40,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:40,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:40,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:40,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:40,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:40,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:40,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:40,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:40,620 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_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21ab39d122ec2c6e96fa6b8c9d53d6f966068253a8a3d3ba32389613dd7dc54a [2023-11-21 18:42:40,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:40,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:40,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:40,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:40,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:40,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array19_pattern.c [2023-11-21 18:42:44,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:44,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:44,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/sv-benchmarks/c/array-patterns/array19_pattern.c [2023-11-21 18:42:44,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/data/bed0d9d46/0ceb29e7aba640f4a5279d59d63e7289/FLAGdc25003ec [2023-11-21 18:42:44,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/data/bed0d9d46/0ceb29e7aba640f4a5279d59d63e7289 [2023-11-21 18:42:44,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:44,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:44,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:44,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:44,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:44,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cf83be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44, skipping insertion in model container [2023-11-21 18:42:44,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:44,814 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_d329ffdb-0d00-4844-b90f-c32149a3cb0d/sv-benchmarks/c/array-patterns/array19_pattern.c[1442,1455] [2023-11-21 18:42:44,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:44,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:44,871 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_d329ffdb-0d00-4844-b90f-c32149a3cb0d/sv-benchmarks/c/array-patterns/array19_pattern.c[1442,1455] [2023-11-21 18:42:44,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:44,903 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:44,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44 WrapperNode [2023-11-21 18:42:44,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:44,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:44,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:44,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:44,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,951 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-21 18:42:44,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:44,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:44,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:44,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:44,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:44,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:45,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:45,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:45,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:45,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:45,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:45,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:45,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:44" (1/1) ... [2023-11-21 18:42:45,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:45,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:45,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:45,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329ffdb-0d00-4844-b90f-c32149a3cb0d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:42:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:42:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:45,222 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:45,224 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:45,454 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:45,573 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:45,580 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:42:45,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:45 BoogieIcfgContainer [2023-11-21 18:42:45,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:45,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:45,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:45,600 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:45,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:45" (1/1) ... [2023-11-21 18:42:45,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:42:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:42:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:42:45,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:45,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:45,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:45,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-21 18:42:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:42:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:42:46,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:46,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:46,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-21 18:42:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-21 18:42:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:46,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:46,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:46,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-21 18:42:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-21 18:42:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:46,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:47,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:47,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-21 18:42:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-21 18:42:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:42:47,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:47,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:47,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:42:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-21 18:42:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-21 18:42:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:47,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:48,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:48,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:42:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2023-11-21 18:42:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2023-11-21 18:42:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:48,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:48,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:48,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-21 18:42:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-21 18:42:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:49,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:49,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:49,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-21 18:42:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-21 18:42:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:50,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:50,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 18:42:50,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:50,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:42:52,991 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 1147 treesize of output 1097 [2023-11-21 18:42:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:42:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:42:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:56,680 INFO L349 Elim1Store]: treesize reduction 1007, result has 12.2 percent of original size [2023-11-21 18:42:56,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 15 new quantified variables, introduced 33 case distinctions, treesize of input 1089 treesize of output 5418