./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:57,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:57,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:22:57,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:57,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:57,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:57,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:57,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:57,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:57,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:57,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:57,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:57,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:57,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:57,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:57,805 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:22:57,805 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:22:57,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:57,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:57,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:57,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:57,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:57,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:57,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:57,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:57,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:57,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:57,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:57,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:57,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:57,813 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:57,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:57,814 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_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2023-11-19 03:22:58,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:58,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:58,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:58,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:58,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:58,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-11-19 03:23:01,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:01,643 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:01,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-11-19 03:23:01,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/data/a14db98a1/9ced6e12378f4f8aa0bb7f91f61e3fa0/FLAG0534923de [2023-11-19 03:23:01,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/data/a14db98a1/9ced6e12378f4f8aa0bb7f91f61e3fa0 [2023-11-19 03:23:01,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:01,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:01,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:01,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:01,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:01,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:01" (1/1) ... [2023-11-19 03:23:01,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f07859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:01, skipping insertion in model container [2023-11-19 03:23:01,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:01" (1/1) ... [2023-11-19 03:23:01,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:02,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:02,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:02,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:02,648 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:02,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02 WrapperNode [2023-11-19 03:23:02,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:02,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:02,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:02,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:02,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:02,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:02,886 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1582 [2023-11-19 03:23:02,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:02,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:02,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:02,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:02,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:02,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:02,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:02,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:03,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:03,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:03,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:03,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:02" (1/1) ... [2023-11-19 03:23:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:03,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:03,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c471410e-7274-4410-b5b2-f8d4bea83c36/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:23:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:23:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:03,500 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:03,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:05,480 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:07,544 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:07,544 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 03:23:07,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:07 BoogieIcfgContainer [2023-11-19 03:23:07,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:07,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:07,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:07,568 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:07,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:07" (1/1) ... [2023-11-19 03:23:07,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 172 states and 279 transitions. [2023-11-19 03:23:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2023-11-19 03:23:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:23:07,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2023-11-19 03:23:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-11-19 03:23:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:07,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 277 transitions. [2023-11-19 03:23:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 277 transitions. [2023-11-19 03:23:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:08,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 173 states and 269 transitions. [2023-11-19 03:23:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2023-11-19 03:23:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:23:08,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 257 transitions. [2023-11-19 03:23:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-19 03:23:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:23:08,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:11,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:21,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2023-11-19 03:23:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-19 03:23:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:23:21,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:21,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:21,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:21,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:23,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:33,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:43,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:45,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 225 states and 306 transitions. [2023-11-19 03:23:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 306 transitions. [2023-11-19 03:23:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:23:45,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:46,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:46,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:46,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 225 states and 304 transitions. [2023-11-19 03:23:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2023-11-19 03:23:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:23:46,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:46,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:46,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 225 states and 302 transitions. [2023-11-19 03:23:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 302 transitions. [2023-11-19 03:23:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:23:46,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:46,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:47,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:47,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 225 states and 300 transitions. [2023-11-19 03:23:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2023-11-19 03:23:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:23:47,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:47,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:47,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:57,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 225 states and 298 transitions. [2023-11-19 03:23:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2023-11-19 03:23:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:23:57,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:57,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:57,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.