./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:11,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:11,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:33:11,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:11,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:11,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:11,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:11,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:11,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:11,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:11,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:11,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:11,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:11,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:11,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:11,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:11,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:11,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:11,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:11,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:11,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:11,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:11,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:11,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:11,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:11,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:11,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:11,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:11,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:11,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:11,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:11,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:11,546 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_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2023-11-21 18:33:11,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:11,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:11,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:11,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:11,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:11,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-21 18:33:15,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:15,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:15,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-21 18:33:15,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/data/4a028d319/e7b6690466bb47e0800104b5b9c98613/FLAG18832a2c9 [2023-11-21 18:33:15,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/data/4a028d319/e7b6690466bb47e0800104b5b9c98613 [2023-11-21 18:33:15,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:15,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:15,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:15,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:15,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:15,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e116ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15, skipping insertion in model container [2023-11-21 18:33:15,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,393 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:15,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:15,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:15,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:15,844 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:15,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15 WrapperNode [2023-11-21 18:33:15,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:15,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:15,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:15,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:15,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,888 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2023-11-21 18:33:15,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:15,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:15,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:15,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:15,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:15,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:15,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:15,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:15,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:15" (1/1) ... [2023-11-21 18:33:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:15,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:15,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:16,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c821330d-a2ae-4a45-b6ca-cb32f3ded9ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:33:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:33:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:16,158 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:16,160 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:16,417 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:16,469 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:16,470 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:33:16,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:16 BoogieIcfgContainer [2023-11-21 18:33:16,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:16,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:16,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:16,484 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:16,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:16" (1/1) ... [2023-11-21 18:33:16,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-21 18:33:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-21 18:33:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:16,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-21 18:33:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:33:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:17,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-11-21 18:33:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-11-21 18:33:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:33:19,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2023-11-21 18:33:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2023-11-21 18:33:21,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:33:21,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2023-11-21 18:33:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-11-21 18:33:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:33:23,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2023-11-21 18:33:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2023-11-21 18:33:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:33:29,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:32,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2023-11-21 18:33:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-11-21 18:33:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:33:32,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:32,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:33,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 110 transitions. [2023-11-21 18:33:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 110 transitions. [2023-11-21 18:33:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:33:33,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:33:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 116 transitions. [2023-11-21 18:33:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-11-21 18:33:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:33:37,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:37,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 56 states and 125 transitions. [2023-11-21 18:33:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 125 transitions. [2023-11-21 18:33:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:33:38,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 60 states and 139 transitions. [2023-11-21 18:33:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 139 transitions. [2023-11-21 18:33:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:33:42,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:42,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 64 states and 156 transitions. [2023-11-21 18:33:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2023-11-21 18:33:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:33:45,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 153 transitions. [2023-11-21 18:33:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 153 transitions. [2023-11-21 18:33:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:33:46,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 65 states and 154 transitions. [2023-11-21 18:33:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 154 transitions. [2023-11-21 18:33:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:33:48,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 66 states and 155 transitions. [2023-11-21 18:33:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 155 transitions. [2023-11-21 18:33:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:33:49,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:49,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 67 states and 156 transitions. [2023-11-21 18:33:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 156 transitions. [2023-11-21 18:33:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:33:50,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:34:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 73 states and 167 transitions. [2023-11-21 18:34:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 167 transitions. [2023-11-21 18:34:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:01,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 75 states and 170 transitions. [2023-11-21 18:34:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 170 transitions. [2023-11-21 18:34:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:02,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 76 states and 172 transitions. [2023-11-21 18:34:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 172 transitions. [2023-11-21 18:34:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:03,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:03,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.