./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/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_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/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_47d05e6c-7ec6-4326-82f0-e806a07e6857/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 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:19,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:19,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:41:19,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:19,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:19,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:19,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:19,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:19,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:19,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:19,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:19,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:19,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:19,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:19,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:19,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:19,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:19,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:19,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:19,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:19,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:19,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:19,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:19,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:19,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:19,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:19,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:19,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:19,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:19,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:19,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:19,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:19,887 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_47d05e6c-7ec6-4326-82f0-e806a07e6857/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 [2023-11-21 18:41:20,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:20,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:20,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:20,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:20,322 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:20,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2023-11-21 18:41:23,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:24,216 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:24,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2023-11-21 18:41:24,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/data/4f489c4c5/97dc5cd6a0dd47a882a77782b1973c51/FLAG709074a8c [2023-11-21 18:41:24,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/data/4f489c4c5/97dc5cd6a0dd47a882a77782b1973c51 [2023-11-21 18:41:24,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:24,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:24,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:24,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:24,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:24,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76863f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24, skipping insertion in model container [2023-11-21 18:41:24,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:24,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:24,720 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:24,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:24,822 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:24,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24 WrapperNode [2023-11-21 18:41:24,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:24,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:24,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:24,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:24,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,903 INFO L138 Inliner]: procedures = 111, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2023-11-21 18:41:24,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:24,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:24,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:24,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:24,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:24,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:24,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:24,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:24,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:25,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:25,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d05e6c-7ec6-4326-82f0-e806a07e6857/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:25,284 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:25,287 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:25,727 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:25,800 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:25,800 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:41:25,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:25 BoogieIcfgContainer [2023-11-21 18:41:25,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:25,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:25,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:25,815 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:25,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-11-21 18:41:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-21 18:41:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:25,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:26,973 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 18:41:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-21 18:41:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-21 18:41:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:27,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,289 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 18:41:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-21 18:41:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-21 18:41:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:27,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,718 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 18:41:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2023-11-21 18:41:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-21 18:41:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:28,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,214 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 18:41:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2023-11-21 18:41:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-21 18:41:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:28,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,994 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 18:41:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-21 18:41:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-21 18:41:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:29,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,980 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 18:41:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2023-11-21 18:41:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-21 18:41:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:30,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,558 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 18:41:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2023-11-21 18:41:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-21 18:41:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:30,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2023-11-21 18:41:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-21 18:41:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:33,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,920 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 18:41:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2023-11-21 18:41:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-21 18:41:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:35,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,564 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 18:41:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-11-21 18:41:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-21 18:41:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:38,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,550 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 18:41:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2023-11-21 18:41:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2023-11-21 18:41:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:38,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,125 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 18:41:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2023-11-21 18:41:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-11-21 18:41:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:42,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,316 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 18:41:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2023-11-21 18:41:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-11-21 18:41:43,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:43,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,359 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 18:41:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2023-11-21 18:41:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2023-11-21 18:41:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:44,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,675 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 18:41:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2023-11-21 18:41:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2023-11-21 18:41:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:51,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:52,710 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 18:41:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 104 states and 162 transitions. [2023-11-21 18:41:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 162 transitions. [2023-11-21 18:41:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:55,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,180 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 18:41:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2023-11-21 18:41:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2023-11-21 18:41:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:56,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:57,807 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 18:42:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2023-11-21 18:42:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2023-11-21 18:42:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:42:02,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,421 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 18:42:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 114 states and 187 transitions. [2023-11-21 18:42:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2023-11-21 18:42:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:42:07,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.