./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi --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 64bit --witnessprinter.graph.data.programhash 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:05,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:05,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:51:05,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:05,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:05,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:05,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:05,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:05,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:05,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:05,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:05,288 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:05,288 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:05,290 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:51:05,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:05,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:05,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:05,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:05,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:05,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:05,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:05,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:05,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:05,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:05,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:05,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:05,298 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_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 [2023-11-24 22:51:05,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:05,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:05,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:05,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:05,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:05,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2023-11-24 22:51:08,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:09,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:09,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2023-11-24 22:51:09,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/data/8d71a0d5e/a92ecbd9f96349d4b61d641a565521ca/FLAGccaf116fc [2023-11-24 22:51:09,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/data/8d71a0d5e/a92ecbd9f96349d4b61d641a565521ca [2023-11-24 22:51:09,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:09,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:09,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:09,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:09,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:09,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39901594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:09, skipping insertion in model container [2023-11-24 22:51:09,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:09,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:09,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:09,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:10,022 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:10,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10 WrapperNode [2023-11-24 22:51:10,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:10,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:10,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:10,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,083 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-11-24 22:51:10,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:10,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:10,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:10,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:10,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:10,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:10,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:10,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:10,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:10,397 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:10,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:10,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:10,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:10,774 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:10,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:10 BoogieIcfgContainer [2023-11-24 22:51:10,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:10,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:10,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:10,789 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:10,789 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2023-11-24 22:51:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2023-11-24 22:51:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:10,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2023-11-24 22:51:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-24 22:51:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:11,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:11,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-24 22:51:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-24 22:51:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:11,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-11-24 22:51:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-24 22:51:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:11,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-24 22:51:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-24 22:51:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:12,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-24 22:51:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-24 22:51:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:12,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-24 22:51:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-24 22:51:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:51:12,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-24 22:51:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-24 22:51:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:51:12,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-24 22:51:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-24 22:51:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:51:12,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-24 22:51:12,866 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-24 22:51:12,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:51:12,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-24 22:51:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-24 22:51:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:13,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-24 22:51:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-24 22:51:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:13,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-24 22:51:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-24 22:51:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:13,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2023-11-24 22:51:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-24 22:51:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:13,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-24 22:51:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-24 22:51:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:13,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2023-11-24 22:51:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-11-24 22:51:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:14,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-24 22:51:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-24 22:51:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:14,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:14,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2023-11-24 22:51:15,208 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2023-11-24 22:51:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:15,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-24 22:51:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-24 22:51:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:15,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2023-11-24 22:51:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-24 22:51:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:15,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-24 22:51:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 22:51:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:15,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2023-11-24 22:51:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2023-11-24 22:51:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:16,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2023-11-24 22:51:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-24 22:51:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:16,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-24 22:51:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 22:51:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:16,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-24 22:51:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-24 22:51:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:16,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2023-11-24 22:51:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2023-11-24 22:51:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:17,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2023-11-24 22:51:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-11-24 22:51:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:17,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2023-11-24 22:51:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2023-11-24 22:51:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:18,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2023-11-24 22:51:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-11-24 22:51:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:18,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2023-11-24 22:51:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2023-11-24 22:51:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:18,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2023-11-24 22:51:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-24 22:51:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:18,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2023-11-24 22:51:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-24 22:51:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:18,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2023-11-24 22:51:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2023-11-24 22:51:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:18,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2023-11-24 22:51:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2023-11-24 22:51:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:20,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 128 transitions. [2023-11-24 22:51:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2023-11-24 22:51:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:21,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2023-11-24 22:51:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-11-24 22:51:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:21,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 94 states and 131 transitions. [2023-11-24 22:51:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2023-11-24 22:51:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:21,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2023-11-24 22:51:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2023-11-24 22:51:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:21,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:51:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 95 states and 131 transitions. [2023-11-24 22:51:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2023-11-24 22:51:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:22,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:51:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 101 states and 138 transitions. [2023-11-24 22:51:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 138 transitions. [2023-11-24 22:51:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:23,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:23,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 101 states and 137 transitions. [2023-11-24 22:51:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2023-11-24 22:51:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:23,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:51:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 100 states and 136 transitions. [2023-11-24 22:51:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2023-11-24 22:51:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:24,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 101 states and 137 transitions. [2023-11-24 22:51:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2023-11-24 22:51:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:24,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:51:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 104 states and 140 transitions. [2023-11-24 22:51:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2023-11-24 22:51:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:24,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:51:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 139 transitions. [2023-11-24 22:51:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2023-11-24 22:51:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:25,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2023-11-24 22:51:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2023-11-24 22:51:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:25,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:51:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 108 states and 142 transitions. [2023-11-24 22:51:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2023-11-24 22:51:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:51:26,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:51:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 109 states and 143 transitions. [2023-11-24 22:51:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2023-11-24 22:51:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:26,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 120 states and 158 transitions. [2023-11-24 22:51:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-24 22:51:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:31,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:31,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 128 states and 170 transitions. [2023-11-24 22:51:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2023-11-24 22:51:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:33,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:51:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 84 states and 109 transitions. [2023-11-24 22:51:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-24 22:51:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:34,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:51:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 81 states and 106 transitions. [2023-11-24 22:51:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2023-11-24 22:51:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:51:34,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 22:51:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 86 states and 111 transitions. [2023-11-24 22:51:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2023-11-24 22:51:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:51:36,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 22:51:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-24 22:51:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-24 22:51:37,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:51:37,737 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2023-11-24 22:51:37,752 INFO L751 CodeCheckObserver]: All specifications hold 29 specifications checked. All of them hold [2023-11-24 22:51:39,019 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 22:51:39,024 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-11-24 22:51:39,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~x_ref~0!base] could not be translated [2023-11-24 22:51:39,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0] could not be translated [2023-11-24 22:51:39,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-11-24 22:51:39,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-11-24 22:51:39,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x_ref~0!base] could not be translated [2023-11-24 22:51:39,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-24 22:51:39,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~y_ref~0!base] could not be translated [2023-11-24 22:51:39,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~y_ref~0!base] could not be translated [2023-11-24 22:51:39,034 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 22:51:39,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:39 ImpRootNode [2023-11-24 22:51:39,034 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:39,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:39,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:39,035 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:39,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:10" (3/4) ... [2023-11-24 22:51:39,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:51:39,047 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 22:51:39,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:51:39,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 22:51:39,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:51:39,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:51:39,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:51:39,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:39,158 INFO L158 Benchmark]: Toolchain (without parser) took 29777.21ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 114.3MB in the beginning and 216.3MB in the end (delta: -101.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,158 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:39,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.90ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 98.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.34ms. Allocated memory is still 161.5MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,160 INFO L158 Benchmark]: Boogie Preprocessor took 38.16ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 94.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,160 INFO L158 Benchmark]: RCFGBuilder took 653.01ms. Allocated memory is still 161.5MB. Free memory was 94.9MB in the beginning and 117.1MB in the end (delta: -22.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,161 INFO L158 Benchmark]: CodeCheck took 28257.42ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 117.1MB in the beginning and 221.5MB in the end (delta: -104.4MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,161 INFO L158 Benchmark]: Witness Printer took 121.94ms. Allocated memory is still 283.1MB. Free memory was 221.5MB in the beginning and 216.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:39,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 51 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8097 SdHoareTripleChecker+Valid, 31.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7548 mSDsluCounter, 4781 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3669 mSDsCounter, 2917 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17256 IncrementalHoareTripleChecker+Invalid, 20173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2917 mSolverCounterUnsat, 1112 mSDtfsCounter, 17256 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6161 GetRequests, 5557 SyntacticMatches, 358 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26871 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 791 NumberOfCodeBlocks, 791 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 6095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 50 PerfectInterpolantSequences, 146/150 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.90ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 98.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.34ms. Allocated memory is still 161.5MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.16ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 94.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.01ms. Allocated memory is still 161.5MB. Free memory was 94.9MB in the beginning and 117.1MB in the end (delta: -22.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 28257.42ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 117.1MB in the beginning and 221.5MB in the end (delta: -104.4MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. * Witness Printer took 121.94ms. Allocated memory is still 283.1MB. Free memory was 221.5MB in the beginning and 216.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~x_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~x_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~y_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~y_ref~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 22:51:39,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d7b870-bbe6-49d1-a674-71192030dca4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE