./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array25_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:53,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:53,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:24:53,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:53,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:53,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:53,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:53,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:53,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:53,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:53,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:53,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:53,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:53,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:53,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:53,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:53,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:53,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:53,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:53,921 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:53,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:53,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:53,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:53,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:53,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:53,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:53,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:53,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:53,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:53,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:53,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:53,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:53,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:53,928 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_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2023-11-23 20:24:54,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:54,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:54,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:54,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:54,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:54,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-patterns/array25_pattern.c [2023-11-23 20:24:57,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:57,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:57,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/sv-benchmarks/c/array-patterns/array25_pattern.c [2023-11-23 20:24:57,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/data/554233650/9f3ddbfb45db42eb907771b87aa85f26/FLAGd16e02ca2 [2023-11-23 20:24:57,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/data/554233650/9f3ddbfb45db42eb907771b87aa85f26 [2023-11-23 20:24:57,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:57,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:57,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:57,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:57,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:57,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f71e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57, skipping insertion in model container [2023-11-23 20:24:57,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:57,979 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_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2023-11-23 20:24:58,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:58,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:58,024 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_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2023-11-23 20:24:58,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:58,053 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:58,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58 WrapperNode [2023-11-23 20:24:58,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:58,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:58,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:58,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:58,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,100 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-23 20:24:58,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:58,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:58,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:58,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:58,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:58,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:58,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:58,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:58,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:58,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:58,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:58,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_481afed0-6f56-4eb8-bdd9-72bb0e6a9db4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:24:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:24:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:58,289 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:58,291 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:58,598 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:58,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:58,762 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:24:58,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:58 BoogieIcfgContainer [2023-11-23 20:24:58,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:58,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:58,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:58,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:58,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:58" (1/1) ... [2023-11-23 20:24:58,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2023-11-23 20:24:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2023-11-23 20:24:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:24:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:58,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:59,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-23 20:24:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-23 20:24:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:24:59,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:59,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:59,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:24:59,251 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:24:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:24:59,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:59,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:24:59,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-23 20:24:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-23 20:24:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:24:59,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:59,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:24:59,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:25:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2023-11-23 20:25:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2023-11-23 20:25:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:00,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:00,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:00,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:25:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-23 20:25:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-23 20:25:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:00,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:00,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:00,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:25:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-23 20:25:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-23 20:25:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:00,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:00,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:00,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:25:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-23 20:25:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-23 20:25:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:25:00,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:00,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:00,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-23 20:25:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:25:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:25:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:25:00,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:01,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 20:25:01,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:01,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:25:01,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-23 20:25:01,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:01,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-23 20:25:01,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:01,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 40 [2023-11-23 20:25:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-11-23 20:25:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-23 20:25:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:25:06,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:06,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:06,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:25:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2023-11-23 20:25:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-11-23 20:25:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:25:09,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:09,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:09,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:25:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2023-11-23 20:25:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-11-23 20:25:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:25:12,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:12,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:12,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:25:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-11-23 20:25:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-23 20:25:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:25:13,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:13,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:13,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-23 20:25:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2023-11-23 20:25:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2023-11-23 20:25:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:25:15,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:15,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:15,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:25:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-11-23 20:25:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-23 20:25:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:25:16,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:16,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:25:16,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:25:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2023-11-23 20:25:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2023-11-23 20:25:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:25:17,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:18,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 117 conjunts are in the unsatisfiable core [2023-11-23 20:25:18,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:18,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:25:18,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-23 20:25:18,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:18,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-23 20:25:19,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:19,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-23 20:25:19,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:19,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 50 [2023-11-23 20:25:19,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:19,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2023-11-23 20:25:20,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:20,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2023-11-23 20:25:20,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:20,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 80 [2023-11-23 20:25:20,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:25:20,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 70 treesize of output 90 [2023-11-23 20:25:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2023-11-23 20:25:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2023-11-23 20:25:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:25:39,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:39,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:25:39,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 20:25:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2023-11-23 20:25:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2023-11-23 20:25:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:25:44,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:45,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:25:45,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 20:25:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 96 states and 132 transitions. [2023-11-23 20:25:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2023-11-23 20:25:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:25:48,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:25:49,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 20:25:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 102 states and 140 transitions. [2023-11-23 20:25:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2023-11-23 20:25:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:25:54,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:25:54,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.