./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi --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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:44,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:44,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:18:44,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:44,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:44,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:44,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:44,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:44,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:44,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:44,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:44,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:44,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:44,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:44,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:44,669 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:18:44,669 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:18:44,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:44,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:44,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:44,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:44,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:44,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:44,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:44,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:44,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:44,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:44,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:44,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:44,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:44,677 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:44,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:44,677 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_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2023-11-24 22:18:44,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:44,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:44,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:45,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:45,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:45,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2023-11-24 22:18:48,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:48,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:48,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2023-11-24 22:18:48,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/data/c9c301ec1/468480f6a9664440a8aa5fc9e7c4e6ec/FLAG2d6ec2e71 [2023-11-24 22:18:48,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/data/c9c301ec1/468480f6a9664440a8aa5fc9e7c4e6ec [2023-11-24 22:18:48,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:48,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:48,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:48,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:48,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:48,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1643c1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48, skipping insertion in model container [2023-11-24 22:18:48,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:49,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:49,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:49,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:49,588 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:49,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49 WrapperNode [2023-11-24 22:18:49,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:49,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:49,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:49,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:49,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,737 INFO L138 Inliner]: procedures = 177, calls = 228, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 934 [2023-11-24 22:18:49,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:49,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:49,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:49,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:49,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:49,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:49,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:49,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:49,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:49,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:49,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db3cf07-ecbe-4932-a48b-23f11454ce18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:18:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:18:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:18:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:50,192 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:50,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:51,564 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:52,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:52,683 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-24 22:18:52,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:52 BoogieIcfgContainer [2023-11-24 22:18:52,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:52,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:52,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:52,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:52,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:52" (1/1) ... [2023-11-24 22:18:52,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2023-11-24 22:18:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2023-11-24 22:18:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:18:52,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:52,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 126 transitions. [2023-11-24 22:18:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2023-11-24 22:18:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:18:53,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:53,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 75 states and 124 transitions. [2023-11-24 22:18:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 124 transitions. [2023-11-24 22:18:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:18:53,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:53,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 120 transitions. [2023-11-24 22:18:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2023-11-24 22:18:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:18:53,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:53,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2023-11-24 22:18:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2023-11-24 22:18:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:18:53,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:53,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:03,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2023-11-24 22:19:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2023-11-24 22:19:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:19:03,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:14,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:24,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:34,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:44,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 87 states and 122 transitions. [2023-11-24 22:19:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-24 22:19:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:19:44,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2023-11-24 22:19:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2023-11-24 22:19:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:19:44,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2023-11-24 22:19:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2023-11-24 22:19:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:19:44,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,037 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 [] [2023-11-24 22:19:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 87 states and 116 transitions. [2023-11-24 22:19:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-24 22:19:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:19:55,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.