./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/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_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/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_98970230-44b8-4454-b9e7-dcd1038adb6a/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 cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:46,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:46,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:46,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:46,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:46,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:46,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:46,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:46,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:46,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:46,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:46,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:46,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:46,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:46,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:46,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:46,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:46,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:46,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:46,497 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:46,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:46,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:46,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:46,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:46,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:46,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:46,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:46,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:46,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:46,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:46,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:46,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:46,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:46,504 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_98970230-44b8-4454-b9e7-dcd1038adb6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 [2023-11-19 02:52:46,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:46,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:46,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:46,804 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:46,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:46,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-11-19 02:52:49,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:50,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:50,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2023-11-19 02:52:50,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/data/39e12d535/337d36eb5e594071a29b845ec044305f/FLAGfdb479297 [2023-11-19 02:52:50,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/data/39e12d535/337d36eb5e594071a29b845ec044305f [2023-11-19 02:52:50,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:50,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:50,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:50,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:50,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:50,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6539f22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50, skipping insertion in model container [2023-11-19 02:52:50,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:50,607 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:52:50,738 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_98970230-44b8-4454-b9e7-dcd1038adb6a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33510,33523] [2023-11-19 02:52:50,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:50,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:50,991 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:52:51,021 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_98970230-44b8-4454-b9e7-dcd1038adb6a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i[33510,33523] [2023-11-19 02:52:51,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:51,169 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:51,169 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:51,177 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:51,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51 WrapperNode [2023-11-19 02:52:51,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:51,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:51,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:51,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:51,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,325 INFO L138 Inliner]: procedures = 178, calls = 333, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1502 [2023-11-19 02:52:51,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:51,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:51,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:51,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:51,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:51,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:51,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:51,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:51,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:51,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:51,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:51,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98970230-44b8-4454-b9e7-dcd1038adb6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:52:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:52:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:52:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:52:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:52:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:52:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:52:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:52:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:51,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:51,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:53,553 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:55,456 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:55,457 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:52:55,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:55 BoogieIcfgContainer [2023-11-19 02:52:55,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:55,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:55,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:55,478 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:55,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:55" (1/1) ... [2023-11-19 02:52:55,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2023-11-19 02:52:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-11-19 02:52:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:52:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-11-19 02:52:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-11-19 02:52:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:55,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:55,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 241 transitions. [2023-11-19 02:52:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 241 transitions. [2023-11-19 02:52:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:56,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2023-11-19 02:52:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2023-11-19 02:52:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:52:56,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:56,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2023-11-19 02:52:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2023-11-19 02:52:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:52:56,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 145 states and 233 transitions. [2023-11-19 02:52:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2023-11-19 02:52:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:52:56,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:56,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 145 states and 229 transitions. [2023-11-19 02:52:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2023-11-19 02:52:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:52:56,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 145 states and 227 transitions. [2023-11-19 02:52:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 227 transitions. [2023-11-19 02:52:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:52:56,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:58,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 145 states and 225 transitions. [2023-11-19 02:52:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-11-19 02:52:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:52:58,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:58,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-11-19 02:52:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-11-19 02:52:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:52:59,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-11-19 02:53:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-11-19 02:53:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:53:00,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:04,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:05,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 150 states and 222 transitions. [2023-11-19 02:53:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2023-11-19 02:53:05,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:53:05,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:05,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:05,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:05,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:15,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:25,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:35,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 153 states and 224 transitions. [2023-11-19 02:53:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2023-11-19 02:53:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:53:35,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:35,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:35,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2023-11-19 02:53:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2023-11-19 02:53:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:35,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:36,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:36,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 220 transitions. [2023-11-19 02:53:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2023-11-19 02:53:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:53:36,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:36,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:53:36,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:36,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:53:36,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-19 02:53:36,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:53:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:53:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 188 states and 264 transitions. [2023-11-19 02:53:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2023-11-19 02:53:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:53:38,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:38,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:38,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:38,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:53:48,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 188 states and 262 transitions. [2023-11-19 02:53:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 262 transitions. [2023-11-19 02:53:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:53:48,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:50,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:50,118 INFO L285 TraceCheckSpWp]: Computing forward predicates...