./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/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_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/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 32bit --witnessprinter.graph.data.programhash 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:38:53,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:38:53,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:38:53,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:38:53,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:38:53,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:38:53,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:38:53,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:38:53,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:38:53,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:38:53,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:38:53,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:38:53,754 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:38:53,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:38:53,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:38:53,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:38:53,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:38:53,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:38:53,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:38:53,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:38:53,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:38:53,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:38:53,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:38:53,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:38:53,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:38:53,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:38:53,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:38:53,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:38:53,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:53,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:38:53,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:38:53,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:38:53,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:38:53,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:38:53,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:38:53,769 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_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2023-11-21 18:38:54,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:38:54,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:38:54,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:38:54,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:38:54,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:38:54,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2023-11-21 18:38:57,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:57,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:57,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2023-11-21 18:38:57,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/data/e9e46e1c9/1462bc6c7658400eacbd4feb12c71c1e/FLAG1aa3ae78d [2023-11-21 18:38:57,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/data/e9e46e1c9/1462bc6c7658400eacbd4feb12c71c1e [2023-11-21 18:38:57,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:57,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:57,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:57,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:57,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:57,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:57" (1/1) ... [2023-11-21 18:38:57,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a78edf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:57, skipping insertion in model container [2023-11-21 18:38:57,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:57" (1/1) ... [2023-11-21 18:38:57,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:58,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:58,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:58,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:58,876 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:58,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58 WrapperNode [2023-11-21 18:38:58,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:58,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:58,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:58,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:58,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:58,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,054 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1504 [2023-11-21 18:38:59,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:59,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:59,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:59,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:59,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:59,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:59,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:59,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:59,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:58" (1/1) ... [2023-11-21 18:38:59,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:59,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:59,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:59,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96fdb99-fda5-460c-8ca3-03e8daaabfb5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:38:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:38:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:38:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:38:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:38:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:38:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:38:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:38:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:38:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:59,541 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:59,543 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:01,469 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:03,657 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:03,657 INFO L308 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-21 18:39:03,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:03 BoogieIcfgContainer [2023-11-21 18:39:03,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:03,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:03,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:03,672 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:03,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:03" (1/1) ... [2023-11-21 18:39:03,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 143 states and 239 transitions. [2023-11-21 18:39:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2023-11-21 18:39:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:39:03,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:03,994 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 18:39:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 142 states and 238 transitions. [2023-11-21 18:39:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 238 transitions. [2023-11-21 18:39:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:04,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:04,134 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 18:39:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 240 transitions. [2023-11-21 18:39:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 240 transitions. [2023-11-21 18:39:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:04,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:04,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:04,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:04,288 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 18:39:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2023-11-21 18:39:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2023-11-21 18:39:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:04,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:04,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:04,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:04,430 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 18:39:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 146 states and 240 transitions. [2023-11-21 18:39:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2023-11-21 18:39:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:04,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:04,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:04,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:04,569 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 18:39:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 146 states and 232 transitions. [2023-11-21 18:39:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 232 transitions. [2023-11-21 18:39:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:39:04,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:04,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:04,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:04,753 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 18:39:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2023-11-21 18:39:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-21 18:39:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:04,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:04,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:05,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:05,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:05,122 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 18:39:15,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:25,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 146 states and 208 transitions. [2023-11-21 18:39:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 208 transitions. [2023-11-21 18:39:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:39:25,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:25,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:25,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:25,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:26,616 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 18:39:31,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:41,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:51,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []