./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/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_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/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_ae536de6-36cb-4800-bf91-238c34013458/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 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:41,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:41,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:50:41,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:41,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:41,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:41,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:41,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:41,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:41,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:41,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:41,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:41,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:41,741 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:50:41,742 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:50:41,742 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:50:41,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:41,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:41,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:41,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:41,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:41,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:41,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:41,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:41,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:41,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:41,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:41,748 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:41,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:41,749 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_ae536de6-36cb-4800-bf91-238c34013458/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c [2023-11-19 02:50:42,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:42,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:42,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:42,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:42,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:42,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2023-11-19 02:50:45,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:45,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:45,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2023-11-19 02:50:45,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/data/94446d459/d1000911eae046fdbcca33adf03163c9/FLAG0cb72b4e6 [2023-11-19 02:50:45,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/data/94446d459/d1000911eae046fdbcca33adf03163c9 [2023-11-19 02:50:45,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:45,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:45,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:45,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:45,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:45,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebc34c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45, skipping insertion in model container [2023-11-19 02:50:45,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:46,250 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:46,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:46,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:46,743 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:46,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:46,934 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:46,934 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:46,943 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:46,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46 WrapperNode [2023-11-19 02:50:46,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:46,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:46,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:46,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:46,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,093 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1382 [2023-11-19 02:50:47,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:47,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:47,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:47,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:47,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:47,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:47,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:47,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:47,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:47,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:47,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:47,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae536de6-36cb-4800-bf91-238c34013458/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:50:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:50:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:50:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:47,611 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:47,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:49,988 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:51,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:51,618 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:50:51,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:51 BoogieIcfgContainer [2023-11-19 02:50:51,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:51,630 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:51,630 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:51,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:51,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:51" (1/1) ... [2023-11-19 02:50:51,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:51,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 959 states and 1080 transitions. [2023-11-19 02:50:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1080 transitions. [2023-11-19 02:50:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:52,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:52,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 957 states and 1078 transitions. [2023-11-19 02:50:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1078 transitions. [2023-11-19 02:50:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:52,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 958 states and 1080 transitions. [2023-11-19 02:50:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1080 transitions. [2023-11-19 02:50:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:52,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:52,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 957 states and 1078 transitions. [2023-11-19 02:50:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1078 transitions. [2023-11-19 02:50:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:52,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 959 states and 1081 transitions. [2023-11-19 02:50:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1081 transitions. [2023-11-19 02:50:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:53,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 958 states and 1080 transitions. [2023-11-19 02:50:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1080 transitions. [2023-11-19 02:50:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:53,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 961 states and 1085 transitions. [2023-11-19 02:50:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1085 transitions. [2023-11-19 02:50:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:53,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 962 states and 1087 transitions. [2023-11-19 02:50:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1087 transitions. [2023-11-19 02:50:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:53,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 962 states and 1086 transitions. [2023-11-19 02:50:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1086 transitions. [2023-11-19 02:50:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:53,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 963 states and 1088 transitions. [2023-11-19 02:50:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1088 transitions. [2023-11-19 02:50:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:54,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 964 states and 1090 transitions. [2023-11-19 02:50:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1090 transitions. [2023-11-19 02:50:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:54,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 965 states and 1092 transitions. [2023-11-19 02:50:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1092 transitions. [2023-11-19 02:50:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:54,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:54,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 967 states and 1096 transitions. [2023-11-19 02:50:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1096 transitions. [2023-11-19 02:50:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:50:54,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 966 states and 1095 transitions. [2023-11-19 02:50:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1095 transitions. [2023-11-19 02:50:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:50:55,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 967 states and 1096 transitions. [2023-11-19 02:50:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1096 transitions. [2023-11-19 02:50:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:50:55,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 968 states and 1098 transitions. [2023-11-19 02:50:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1098 transitions. [2023-11-19 02:50:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:50:55,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 972 states and 1104 transitions. [2023-11-19 02:50:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1104 transitions. [2023-11-19 02:50:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:50:56,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 979 states and 1116 transitions. [2023-11-19 02:50:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1116 transitions. [2023-11-19 02:50:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:50:56,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:57,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 979 states and 1114 transitions. [2023-11-19 02:50:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1114 transitions. [2023-11-19 02:50:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:57,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 988 states and 1131 transitions. [2023-11-19 02:50:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1131 transitions. [2023-11-19 02:50:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:57,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 988 states and 1123 transitions. [2023-11-19 02:50:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1123 transitions. [2023-11-19 02:50:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:57,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 993 states and 1130 transitions. [2023-11-19 02:50:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1130 transitions. [2023-11-19 02:50:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:58,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,253 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 02:50:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 956 states and 1088 transitions. [2023-11-19 02:50:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1088 transitions. [2023-11-19 02:50:58,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:58,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:58,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 956 states and 1084 transitions. [2023-11-19 02:50:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1084 transitions. [2023-11-19 02:50:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:50:58,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 958 states and 1085 transitions. [2023-11-19 02:50:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1085 transitions. [2023-11-19 02:50:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:50:59,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 959 states and 1086 transitions. [2023-11-19 02:50:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1086 transitions. [2023-11-19 02:50:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:50:59,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:59,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 959 states and 1084 transitions. [2023-11-19 02:50:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1084 transitions. [2023-11-19 02:50:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:50:59,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,078 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 02:51:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 961 states and 1088 transitions. [2023-11-19 02:51:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1088 transitions. [2023-11-19 02:51:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:51:00,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,373 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 02:51:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 966 states and 1096 transitions. [2023-11-19 02:51:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1096 transitions. [2023-11-19 02:51:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:51:00,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 969 states and 1101 transitions. [2023-11-19 02:51:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1101 transitions. [2023-11-19 02:51:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:51:01,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:01,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:01,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 968 states and 1100 transitions. [2023-11-19 02:51:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1100 transitions. [2023-11-19 02:51:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:51:01,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:01,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:01,617 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 02:51:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 969 states and 1101 transitions. [2023-11-19 02:51:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1101 transitions. [2023-11-19 02:51:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:51:02,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:02,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:02,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 971 states and 1107 transitions. [2023-11-19 02:51:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1107 transitions. [2023-11-19 02:51:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:51:02,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:02,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:02,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 970 states and 1106 transitions. [2023-11-19 02:51:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1106 transitions. [2023-11-19 02:51:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:51:02,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:02,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:03,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:03,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:03,015 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 02:51:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 971 states and 1108 transitions. [2023-11-19 02:51:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1108 transitions. [2023-11-19 02:51:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:51:03,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 976 states and 1116 transitions. [2023-11-19 02:51:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1116 transitions. [2023-11-19 02:51:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:51:04,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:04,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 975 states and 1115 transitions. [2023-11-19 02:51:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1115 transitions. [2023-11-19 02:51:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:51:04,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:04,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:04,618 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 02:51:04,758 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 02:51:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 976 states and 1117 transitions. [2023-11-19 02:51:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1117 transitions. [2023-11-19 02:51:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:51:05,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 979 states and 1123 transitions. [2023-11-19 02:51:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1123 transitions. [2023-11-19 02:51:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:51:05,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:05,793 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 02:51:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 980 states and 1126 transitions. [2023-11-19 02:51:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1126 transitions. [2023-11-19 02:51:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:51:06,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:06,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 980 states and 1125 transitions. [2023-11-19 02:51:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1125 transitions. [2023-11-19 02:51:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:51:06,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 983 states and 1129 transitions. [2023-11-19 02:51:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1129 transitions. [2023-11-19 02:51:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:51:06,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:06,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 982 states and 1128 transitions. [2023-11-19 02:51:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1128 transitions. [2023-11-19 02:51:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:51:06,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:06,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,879 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 02:51:07,058 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 02:51:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 983 states and 1130 transitions. [2023-11-19 02:51:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1130 transitions. [2023-11-19 02:51:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:51:07,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 986 states and 1134 transitions. [2023-11-19 02:51:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1134 transitions. [2023-11-19 02:51:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:51:07,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:07,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 985 states and 1133 transitions. [2023-11-19 02:51:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1133 transitions. [2023-11-19 02:51:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:51:07,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,941 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 02:51:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 986 states and 1135 transitions. [2023-11-19 02:51:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1135 transitions. [2023-11-19 02:51:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:51:08,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:08,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 989 states and 1139 transitions. [2023-11-19 02:51:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1139 transitions. [2023-11-19 02:51:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:51:08,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:08,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:08,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:08,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 988 states and 1138 transitions. [2023-11-19 02:51:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1138 transitions. [2023-11-19 02:51:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:51:08,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:08,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:08,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:08,967 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 02:51:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 989 states and 1140 transitions. [2023-11-19 02:51:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1140 transitions. [2023-11-19 02:51:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:51:09,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:09,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:09,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 992 states and 1144 transitions. [2023-11-19 02:51:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1144 transitions. [2023-11-19 02:51:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:51:09,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:09,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 991 states and 1143 transitions. [2023-11-19 02:51:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1143 transitions. [2023-11-19 02:51:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:51:09,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:09,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:09,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:09,998 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 02:51:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 992 states and 1145 transitions. [2023-11-19 02:51:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1145 transitions. [2023-11-19 02:51:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:51:10,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 995 states and 1149 transitions. [2023-11-19 02:51:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1149 transitions. [2023-11-19 02:51:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:51:10,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:10,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:10,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:10,878 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 02:51:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 996 states and 1152 transitions. [2023-11-19 02:51:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1152 transitions. [2023-11-19 02:51:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:51:11,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:11,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:11,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 996 states and 1151 transitions. [2023-11-19 02:51:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1151 transitions. [2023-11-19 02:51:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:51:11,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:11,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:11,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:11,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 999 states and 1155 transitions. [2023-11-19 02:51:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1155 transitions. [2023-11-19 02:51:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:51:11,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:12,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:12,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 998 states and 1154 transitions. [2023-11-19 02:51:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1154 transitions. [2023-11-19 02:51:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:51:12,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:12,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:12,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:12,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:12,191 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 8 treesize of output 1 [2023-11-19 02:51:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 999 states and 1156 transitions. [2023-11-19 02:51:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1156 transitions. [2023-11-19 02:51:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:12,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1002 states and 1161 transitions. [2023-11-19 02:51:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1161 transitions. [2023-11-19 02:51:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:13,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:13,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:13,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:13,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1001 states and 1160 transitions. [2023-11-19 02:51:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1160 transitions. [2023-11-19 02:51:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:13,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:13,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:13,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:13,322 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 02:51:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1002 states and 1162 transitions. [2023-11-19 02:51:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1162 transitions. [2023-11-19 02:51:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:14,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:14,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:14,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:14,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1005 states and 1166 transitions. [2023-11-19 02:51:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1166 transitions. [2023-11-19 02:51:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:14,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1021 states and 1185 transitions. [2023-11-19 02:51:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1185 transitions. [2023-11-19 02:51:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:15,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1044 states and 1215 transitions. [2023-11-19 02:51:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1215 transitions. [2023-11-19 02:51:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:18,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1047 states and 1219 transitions. [2023-11-19 02:51:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1219 transitions. [2023-11-19 02:51:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:18,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1052 states and 1224 transitions. [2023-11-19 02:51:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1224 transitions. [2023-11-19 02:51:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:19,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:29,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1052 states and 1222 transitions. [2023-11-19 02:51:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1222 transitions. [2023-11-19 02:51:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:29,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:29,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:29,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:29,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:29,448 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 02:51:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1068 states and 1240 transitions. [2023-11-19 02:51:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1240 transitions. [2023-11-19 02:51:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:30,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:30,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:30,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:30,366 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 02:51:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1084 states and 1265 transitions. [2023-11-19 02:51:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1265 transitions. [2023-11-19 02:51:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:31,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1087 states and 1269 transitions. [2023-11-19 02:51:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1269 transitions. [2023-11-19 02:51:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:31,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.