./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.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_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/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_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/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_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:19,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:19,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:57:19,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:19,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:19,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:19,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:19,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:19,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:19,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:19,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:19,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:19,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:19,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:19,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:19,201 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:57:19,202 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:57:19,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:19,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:19,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:57:19,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:19,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:19,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:19,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:19,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:19,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:19,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:19,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:19,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:19,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:19,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:19,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:19,216 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_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-11-19 02:57:19,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:19,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:19,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:19,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:19,686 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:19,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-19 02:57:22,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:23,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:23,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-19 02:57:23,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/data/15a925f32/5fe71005d8684643b71af926976ab875/FLAGe9adb8eb4 [2023-11-19 02:57:23,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/data/15a925f32/5fe71005d8684643b71af926976ab875 [2023-11-19 02:57:23,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:23,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:23,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:23,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:23,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:23,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:23" (1/1) ... [2023-11-19 02:57:23,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e781f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:23, skipping insertion in model container [2023-11-19 02:57:23,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:23" (1/1) ... [2023-11-19 02:57:23,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:24,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:24,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:24,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:24,878 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:57:24,886 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:24,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24 WrapperNode [2023-11-19 02:57:24,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:24,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:24,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:24,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:24,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:24,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,169 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6370 [2023-11-19 02:57:25,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:25,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:25,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:25,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:25,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:25,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:25,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:25,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:25,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:24" (1/1) ... [2023-11-19 02:57:25,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:25,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:25,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbb017-aae5-429c-9b27-68b5fa0fc0d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:57:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:57:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:57:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:57:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:57:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:57:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:57:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:57:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:25,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:25,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:31,100 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:34,700 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:34,700 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:57:34,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:34 BoogieIcfgContainer [2023-11-19 02:57:34,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:34,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:34,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:34,737 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:34,737 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:34" (1/1) ... [2023-11-19 02:57:34,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-11-19 02:57:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-11-19 02:57:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:57:34,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:34,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,152 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 02:57:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-11-19 02:57:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-11-19 02:57:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:57:35,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,503 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 02:57:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-11-19 02:57:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-11-19 02:57:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:57:35,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:35,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:35,740 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 02:57:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-11-19 02:57:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-11-19 02:57:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:35,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:35,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:35,919 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 02:57:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-11-19 02:57:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-11-19 02:57:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:57:35,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:36,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:36,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:36,107 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 02:57:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-11-19 02:57:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-11-19 02:57:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:36,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:36,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:36,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:36,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:36,344 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 02:57:46,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 3615 states and 5178 transitions. [2023-11-19 02:57:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5178 transitions. [2023-11-19 02:57:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:57:46,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:46,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:46,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:46,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:56,984 WARN L539 Checker$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 02:58:01,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:58:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3628 states and 5193 transitions. [2023-11-19 02:58:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5193 transitions. [2023-11-19 02:58:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:01,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:01,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:01,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:01,453 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 02:58:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-11-19 02:58:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-11-19 02:58:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:58:01,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:01,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:01,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:01,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:01,688 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 02:58:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-11-19 02:58:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-11-19 02:58:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:58:01,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:01,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:01,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,972 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 02:58:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3628 states and 5187 transitions. [2023-11-19 02:58:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5187 transitions. [2023-11-19 02:58:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:58:12,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:12,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:58:12,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:13,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:58:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3631 states and 5189 transitions. [2023-11-19 02:58:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 5189 transitions. [2023-11-19 02:58:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:58:13,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:58:14,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:14,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:58:14,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:58:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 3633 states and 5192 transitions. [2023-11-19 02:58:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 5192 transitions. [2023-11-19 02:58:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:58:14,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:14,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3632 states and 5187 transitions. [2023-11-19 02:58:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 5187 transitions. [2023-11-19 02:58:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:58:14,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:15,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:15,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 3632 states and 5183 transitions. [2023-11-19 02:58:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 5183 transitions. [2023-11-19 02:58:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:58:15,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:15,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:15,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:15,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 3632 states and 5181 transitions. [2023-11-19 02:58:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 5181 transitions. [2023-11-19 02:58:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:58:15,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:15,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:15,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.