./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9 --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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:43:58,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:43:58,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-02 23:43:58,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:43:58,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:43:58,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:43:58,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:43:58,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:43:58,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:43:58,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:43:58,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:43:58,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:43:58,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:43:58,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:43:58,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:43:58,626 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:43:58,626 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:43:58,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:43:58,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:43:58,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:43:58,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:43:58,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:43:58,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:43:58,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:43:58,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:43:58,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:43:58,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:43:58,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:58,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:43:58,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:43:58,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:43:58,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:43:58,635 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_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2023-12-02 23:43:58,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:43:58,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:43:58,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:43:58,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:43:58,909 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:43:58,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i [2023-12-02 23:44:01,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:44:02,151 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:44:02,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-1.i [2023-12-02 23:44:02,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/data/aa53a6413/17bb6c84a9b443f8b91bf7c87ca3c159/FLAGbfebd0ca0 [2023-12-02 23:44:02,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/data/aa53a6413/17bb6c84a9b443f8b91bf7c87ca3c159 [2023-12-02 23:44:02,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:44:02,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:44:02,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:02,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:44:02,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:44:02,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:02,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa958a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02, skipping insertion in model container [2023-12-02 23:44:02,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:02,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:02,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:02,802 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:44:02,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:02,933 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:44:02,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02 WrapperNode [2023-12-02 23:44:02,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:02,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:02,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:44:02,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:44:02,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:02,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,038 INFO L138 Inliner]: procedures = 177, calls = 177, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 769 [2023-12-02 23:44:03,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:03,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:44:03,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:44:03,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:44:03,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:44:03,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:44:03,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:44:03,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:44:03,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:02" (1/1) ... [2023-12-02 23:44:03,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:03,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:44:03,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:44:03,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc756b7e-601b-45a5-94d8-a0e6bed82f91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:44:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:44:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:44:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:44:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:44:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:44:03,444 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:44:03,447 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:44:04,393 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:44:05,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:44:05,356 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 23:44:05,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:05 BoogieIcfgContainer [2023-12-02 23:44:05,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:44:05,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:44:05,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:44:05,372 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:44:05,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:05" (1/1) ... [2023-12-02 23:44:05,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:44:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2023-12-02 23:44:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2023-12-02 23:44:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:44:05,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2023-12-02 23:44:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2023-12-02 23:44:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:44:05,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2023-12-02 23:44:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2023-12-02 23:44:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:44:05,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2023-12-02 23:44:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2023-12-02 23:44:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:44:05,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2023-12-02 23:44:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2023-12-02 23:44:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:44:05,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:16,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-12-02 23:44:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-12-02 23:44:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:44:16,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:16,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:26,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:36,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:46,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:56,523 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 [] [2023-12-02 23:44:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2023-12-02 23:44:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-12-02 23:44:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:44:56,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 97 transitions. [2023-12-02 23:44:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-12-02 23:44:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:44:56,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2023-12-02 23:44:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-12-02 23:44:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:44:56,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:06,942 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 [] [2023-12-02 23:45:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-12-02 23:45:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-12-02 23:45:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:45:07,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:17,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:27,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:37,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:47,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 76 states and 95 transitions. [2023-12-02 23:45:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2023-12-02 23:45:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:45:47,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:57,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:07,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:17,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:27,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 108 states and 136 transitions. [2023-12-02 23:46:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2023-12-02 23:46:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:46:28,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:46:39,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:49,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:59,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:09,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 111 states and 138 transitions. [2023-12-02 23:47:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2023-12-02 23:47:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:47:09,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 111 states and 136 transitions. [2023-12-02 23:47:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 136 transitions. [2023-12-02 23:47:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:47:09,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2023-12-02 23:47:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2023-12-02 23:47:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:47:09,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 119 states and 145 transitions. [2023-12-02 23:47:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2023-12-02 23:47:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:47:10,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:47:11,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 120 states and 147 transitions. [2023-12-02 23:47:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 147 transitions. [2023-12-02 23:47:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:47:11,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:11,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:47:11,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2023-12-02 23:47:11,708 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2023-12-02 23:47:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:47:11,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:12,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:12,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:47:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 137 states and 165 transitions. [2023-12-02 23:47:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2023-12-02 23:47:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:47:14,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:14,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:25,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:35,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:45,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:55,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:05,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:15,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:36,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 194 states and 244 transitions. [2023-12-02 23:48:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2023-12-02 23:48:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:48:36,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:48:47,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:57,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:07,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:17,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 221 states and 278 transitions. [2023-12-02 23:49:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 278 transitions. [2023-12-02 23:49:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:49:18,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:28,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:38,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:48,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:58,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:49:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 206 states and 259 transitions. [2023-12-02 23:49:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 259 transitions. [2023-12-02 23:49:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:49:58,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:50:09,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:19,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:29,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:39,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:50:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 209 states and 261 transitions. [2023-12-02 23:50:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 261 transitions. [2023-12-02 23:50:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:50:39,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:50,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:00,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:10,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:20,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:21,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 238 states and 298 transitions. [2023-12-02 23:51:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 298 transitions. [2023-12-02 23:51:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:51:21,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:51:31,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:41,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:51:51,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:01,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 241 states and 300 transitions. [2023-12-02 23:52:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 300 transitions. [2023-12-02 23:52:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:52:02,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 249 states and 310 transitions. [2023-12-02 23:52:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 310 transitions. [2023-12-02 23:52:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:52:02,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 257 states and 321 transitions. [2023-12-02 23:52:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 321 transitions. [2023-12-02 23:52:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:52:03,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:09,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:19,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:29,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:39,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 242 states and 302 transitions. [2023-12-02 23:52:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 302 transitions. [2023-12-02 23:52:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:52:39,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:39,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:52:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 250 states and 312 transitions. [2023-12-02 23:52:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 312 transitions. [2023-12-02 23:52:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 23:52:40,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:52:53,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:03,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:13,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:23,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 282 states and 357 transitions. [2023-12-02 23:53:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 357 transitions. [2023-12-02 23:53:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 23:53:23,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:53:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:53:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 283 states and 359 transitions. [2023-12-02 23:53:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 359 transitions. [2023-12-02 23:53:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:53:24,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:53:24,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:53:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:53:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:53:34,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:44,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:53:54,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:04,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 294 states and 371 transitions. [2023-12-02 23:54:04,869 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 371 transitions. [2023-12-02 23:54:04,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:54:04,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:04,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:54:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 295 states and 373 transitions. [2023-12-02 23:54:06,576 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 373 transitions. [2023-12-02 23:54:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 23:54:06,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:06,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 298 states and 376 transitions. [2023-12-02 23:54:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 376 transitions. [2023-12-02 23:54:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:54:07,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:07,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:54:07,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:54:17,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:27,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:38,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:48,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:54:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 325 states and 409 transitions. [2023-12-02 23:54:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 409 transitions. [2023-12-02 23:54:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:54:48,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:48,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:54:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 326 states and 411 transitions. [2023-12-02 23:54:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 411 transitions. [2023-12-02 23:54:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:54:50,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:50,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:50,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:54:50,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:54:52,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:54:54,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:54:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 335 states and 422 transitions. [2023-12-02 23:54:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 422 transitions. [2023-12-02 23:54:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:54:55,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:54:56,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:54:56,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:54:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:55:06,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:55:16,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:55:26,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:55:36,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:55:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 338 states and 424 transitions. [2023-12-02 23:55:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 424 transitions. [2023-12-02 23:55:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:55:36,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:37,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:55:37,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:55:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:55:47,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:55:57,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:07,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:17,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 356 states and 445 transitions. [2023-12-02 23:56:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 445 transitions. [2023-12-02 23:56:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 23:56:18,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:18,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:56:18,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:56:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 359 states and 448 transitions. [2023-12-02 23:56:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 448 transitions. [2023-12-02 23:56:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:56:18,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:18,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:19,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:56:19,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:56:29,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:39,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:49,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:59,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 362 states and 450 transitions. [2023-12-02 23:56:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 450 transitions. [2023-12-02 23:56:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:56:59,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:10,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:20,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:30,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:40,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 389 states and 484 transitions. [2023-12-02 23:57:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 484 transitions. [2023-12-02 23:57:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:57:40,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:40,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:57:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:57:51,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:01,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:11,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:21,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 400 states and 496 transitions. [2023-12-02 23:58:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 496 transitions. [2023-12-02 23:58:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:58:21,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:21,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 23:58:32,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:42,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:58:52,363 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 []