./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:49,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:49,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:10:49,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:49,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:49,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:49,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:49,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:49,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:49,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:49,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:49,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:49,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:49,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:49,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:49,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:49,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:49,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:49,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:49,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:49,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:49,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:49,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:49,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:49,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:49,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:49,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:49,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:49,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:49,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:49,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:49,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:49,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:49,445 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_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2023-11-19 03:10:49,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:49,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:49,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:49,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:49,825 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:49,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 03:10:52,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:53,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:53,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 03:10:53,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/data/d11a78827/d2edc688b44a4a85b1d5314415b35520/FLAG7db6937d8 [2023-11-19 03:10:53,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/data/d11a78827/d2edc688b44a4a85b1d5314415b35520 [2023-11-19 03:10:53,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:53,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:53,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:53,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:53,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:53,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:53" (1/1) ... [2023-11-19 03:10:53,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6343e3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:53, skipping insertion in model container [2023-11-19 03:10:53,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:53" (1/1) ... [2023-11-19 03:10:53,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:54,428 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2023-11-19 03:10:54,748 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2023-11-19 03:10:54,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:54,806 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:54,871 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2023-11-19 03:10:55,104 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2023-11-19 03:10:55,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:55,204 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:10:55,213 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:55,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55 WrapperNode [2023-11-19 03:10:55,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:55,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:55,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:55,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:55,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,494 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2023-11-19 03:10:55,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:55,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:55,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:55,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:55,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:55,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:55,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:55,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:55,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:55" (1/1) ... [2023-11-19 03:10:55,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:55,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:55,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d01dd1b-0024-47d1-b16d-1275b4668a45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:56,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:56,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:59,686 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:02,212 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:02,213 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:11:02,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:02 BoogieIcfgContainer [2023-11-19 03:11:02,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:02,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:02,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:02,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:02,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:02" (1/1) ... [2023-11-19 03:11:02,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-11-19 03:11:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-11-19 03:11:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:11:02,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-11-19 03:11:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-11-19 03:11:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:11:02,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1123 states and 2196 transitions. [2023-11-19 03:11:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2196 transitions. [2023-11-19 03:11:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:11:03,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:03,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:03,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-11-19 03:11:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-11-19 03:11:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:11:03,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:03,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:03,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:04,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-11-19 03:11:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-11-19 03:11:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:11:04,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-11-19 03:11:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-11-19 03:11:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:11:05,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:12,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1123 states and 2172 transitions. [2023-11-19 03:11:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2172 transitions. [2023-11-19 03:11:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:11:12,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:12,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:13,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:13,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:14,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1136 states and 2187 transitions. [2023-11-19 03:11:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2187 transitions. [2023-11-19 03:11:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:11:14,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:14,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:14,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:14,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1136 states and 2185 transitions. [2023-11-19 03:11:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2185 transitions. [2023-11-19 03:11:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:11:14,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:14,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:15,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:19,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1136 states and 2183 transitions. [2023-11-19 03:11:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2183 transitions. [2023-11-19 03:11:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:19,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:20,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:20,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:30,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:40,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1135 states and 2179 transitions. [2023-11-19 03:11:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2179 transitions. [2023-11-19 03:11:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:11:40,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:40,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:40,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:49,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1164 states and 2217 transitions. [2023-11-19 03:11:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 2217 transitions. [2023-11-19 03:11:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:11:50,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:51,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:51,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1164 states and 2213 transitions. [2023-11-19 03:11:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 2213 transitions. [2023-11-19 03:11:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:11:51,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:51,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:51,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.