./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0234-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/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_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0234-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e40f9e7b474ba5b84186650c7060a1f3eed5394bab52ac2eaa493135efa417c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:41,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:41,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:59:41,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:41,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:41,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:41,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:41,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:41,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:41,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:41,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:41,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:41,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:41,836 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:41,836 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:41,837 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:59:41,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:41,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:41,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:41,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:41,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:41,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:41,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:41,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:41,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:41,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:41,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:41,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:41,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:41,848 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_f754c217-0a17-4674-b750-b87f1c09a1fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e40f9e7b474ba5b84186650c7060a1f3eed5394bab52ac2eaa493135efa417c [2023-11-19 03:59:42,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:42,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:42,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:42,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:42,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:42,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety/test-0234-1.i [2023-11-19 03:59:45,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:45,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:45,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/sv-benchmarks/c/memsafety/test-0234-1.i [2023-11-19 03:59:45,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/data/b008a1c9a/1c9e655b3098449c97dce118cb3ffe98/FLAG59ebb3e71 [2023-11-19 03:59:46,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/data/b008a1c9a/1c9e655b3098449c97dce118cb3ffe98 [2023-11-19 03:59:46,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:46,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:46,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:46,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:46,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:46,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3ee754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46, skipping insertion in model container [2023-11-19 03:59:46,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:46,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:46,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:46,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:46,784 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:46,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46 WrapperNode [2023-11-19 03:59:46,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:46,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:46,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:46,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:46,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,896 INFO L138 Inliner]: procedures = 188, calls = 60, calls flagged for inlining = 20, calls inlined = 30, statements flattened = 322 [2023-11-19 03:59:46,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:46,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:46,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:46,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:46,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:46,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:46,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:46,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:46,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:46" (1/1) ... [2023-11-19 03:59:46,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:47,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:47,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f754c217-0a17-4674-b750-b87f1c09a1fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:59:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:59:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:59:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:59:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:47,267 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:47,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:48,238 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:48,409 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:48,409 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 03:59:48,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:48 BoogieIcfgContainer [2023-11-19 03:59:48,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:48,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:48,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:48,431 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:48,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 171 states and 196 transitions. [2023-11-19 03:59:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 196 transitions. [2023-11-19 03:59:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:59:48,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,714 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 03:59:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 171 states and 195 transitions. [2023-11-19 03:59:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2023-11-19 03:59:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:59:48,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:48,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:48,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:48,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:48,989 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 03:59:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 170 states and 194 transitions. [2023-11-19 03:59:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 194 transitions. [2023-11-19 03:59:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:49,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:49,161 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 03:59:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 169 states and 193 transitions. [2023-11-19 03:59:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2023-11-19 03:59:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:49,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,368 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 03:59:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 169 states and 192 transitions. [2023-11-19 03:59:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 192 transitions. [2023-11-19 03:59:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:49,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:49,503 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 03:59:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 168 states and 191 transitions. [2023-11-19 03:59:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2023-11-19 03:59:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:49,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:49,807 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-19 03:59:49,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2023-11-19 03:59:49,839 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 03:59:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2023-11-19 03:59:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-19 03:59:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:49,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,058 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 03:59:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 167 states and 190 transitions. [2023-11-19 03:59:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2023-11-19 03:59:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:59:50,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,312 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 03:59:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 166 states and 189 transitions. [2023-11-19 03:59:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 189 transitions. [2023-11-19 03:59:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:50,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,472 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 03:59:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 165 states and 187 transitions. [2023-11-19 03:59:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-19 03:59:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:59:50,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,758 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 03:59:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 164 states and 186 transitions. [2023-11-19 03:59:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 186 transitions. [2023-11-19 03:59:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:59:50,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:50,949 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 03:59:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 163 states and 184 transitions. [2023-11-19 03:59:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 184 transitions. [2023-11-19 03:59:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:59:50,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:51,253 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 03:59:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 164 states and 185 transitions. [2023-11-19 03:59:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 185 transitions. [2023-11-19 03:59:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 165 states and 187 transitions. [2023-11-19 03:59:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-19 03:59:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:59:51,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:51,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:59:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 166 states and 188 transitions. [2023-11-19 03:59:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 188 transitions. [2023-11-19 03:59:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:52,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:59:52,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:52,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:59:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 167 states and 189 transitions. [2023-11-19 03:59:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 189 transitions. [2023-11-19 03:59:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:59:52,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:59:52,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:52,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:59:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 169 states and 193 transitions. [2023-11-19 03:59:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2023-11-19 03:59:52,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:59:52,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:59:52,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:53,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 03:59:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:59:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2023-11-19 03:59:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-19 03:59:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:59:53,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:53,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:53,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:53,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:59:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 167 states and 191 transitions. [2023-11-19 03:59:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2023-11-19 03:59:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:59:53,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:53,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:59:53,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:53,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:59:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2023-11-19 03:59:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-19 03:59:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:59:53,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:59:54,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:54,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:59:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 169 states and 193 transitions. [2023-11-19 03:59:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2023-11-19 03:59:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:59:54,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:54,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:59:54,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:54,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:59:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2023-11-19 03:59:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-19 03:59:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:59:54,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:54,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:59:54,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:55,034 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-19 03:59:55,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2023-11-19 03:59:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 167 states and 191 transitions. [2023-11-19 03:59:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2023-11-19 03:59:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:59:56,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:56,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:59:56,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:56,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 03:59:57,425 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-19 03:59:57,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 16 treesize of output 22 [2023-11-19 03:59:57,471 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-19 03:59:57,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-19 03:59:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:00:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 169 states and 195 transitions. [2023-11-19 04:00:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 195 transitions. [2023-11-19 04:00:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:13,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:13,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:00:13,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:13,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:00:13,677 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 13 treesize of output 9 [2023-11-19 04:00:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:00:37,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 04:00:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 170 states and 197 transitions. [2023-11-19 04:00:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 197 transitions. [2023-11-19 04:00:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:00:37,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:00:37,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:00:37,878 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 13 treesize of output 9 [2023-11-19 04:00:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:00:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 171 states and 199 transitions. [2023-11-19 04:00:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 199 transitions. [2023-11-19 04:00:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:00:38,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:38,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:38,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:00:38,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:38,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 04:00:38,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:00:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:00:38,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 11 [2023-11-19 04:00:39,005 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-19 04:00:39,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-19 04:00:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.