./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:57,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:57,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:57,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:57,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:57,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:57,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:57,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:57,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:57,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:57,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:57,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:57,582 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:57,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:57,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:57,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:57,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:57,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:57,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:57,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:57,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:57,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:57,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:57,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:57,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:57,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:57,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:57,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:57,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:57,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:57,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:57,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:57,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:57,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:57,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:57,595 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_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2023-11-23 20:11:57,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:57,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:57,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:57,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:57,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:57,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-11-23 20:12:01,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:01,448 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:01,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2023-11-23 20:12:01,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/data/fac762152/0eb8b5b56f5a45d4ad0276574dc9da3b/FLAGba1fe6d37 [2023-11-23 20:12:01,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/data/fac762152/0eb8b5b56f5a45d4ad0276574dc9da3b [2023-11-23 20:12:01,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:01,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:01,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:01,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:01,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:01,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:01" (1/1) ... [2023-11-23 20:12:01,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7bfc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:01, skipping insertion in model container [2023-11-23 20:12:01,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:01" (1/1) ... [2023-11-23 20:12:01,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:02,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:02,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:02,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:02,575 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:02,581 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:02,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02 WrapperNode [2023-11-23 20:12:02,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:02,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:02,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:02,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:02,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,787 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1532 [2023-11-23 20:12:02,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:02,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:02,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:02,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:02,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:02,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:03,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:03,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:03,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:03,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:03,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:02" (1/1) ... [2023-11-23 20:12:03,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:03,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:03,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d90dbb-3d2b-4b14-9af4-4ca55f094c99/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:12:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:12:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:12:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:12:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:12:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:12:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:12:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:12:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:12:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:12:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:03,360 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:03,365 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:05,011 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:06,729 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:06,729 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-23 20:12:06,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:06 BoogieIcfgContainer [2023-11-23 20:12:06,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:06,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:06,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:06,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:06,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2023-11-23 20:12:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-23 20:12:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:12:06,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:06,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:12:07,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:07,161 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 [2023-11-23 20:12:07,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-23 20:12:07,272 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:12:07,274 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:12:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:12:07,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:12:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-23 20:12:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-23 20:12:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:12:07,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:12:07,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:07,588 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 [2023-11-23 20:12:07,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-23 20:12:07,653 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:12:07,654 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:12:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:12:07,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:12:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 166 states and 272 transitions. [2023-11-23 20:12:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 272 transitions. [2023-11-23 20:12:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:07,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 166 states and 271 transitions. [2023-11-23 20:12:07,887 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2023-11-23 20:12:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:07,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:07,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 166 states and 269 transitions. [2023-11-23 20:12:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 269 transitions. [2023-11-23 20:12:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:12:07,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-23 20:12:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-23 20:12:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:12:08,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 166 states and 264 transitions. [2023-11-23 20:12:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 264 transitions. [2023-11-23 20:12:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:12:08,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 166 states and 258 transitions. [2023-11-23 20:12:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 258 transitions. [2023-11-23 20:12:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:12:08,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:18,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:12:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 166 states and 252 transitions. [2023-11-23 20:12:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 252 transitions. [2023-11-23 20:12:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:12:18,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:18,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:19,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:19,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:29,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:12:39,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:12:49,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:12:59,840 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 [] [2023-11-23 20:12:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 173 states and 262 transitions. [2023-11-23 20:12:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 262 transitions. [2023-11-23 20:12:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:12:59,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:59,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:00,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 173 states and 260 transitions. [2023-11-23 20:13:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 260 transitions. [2023-11-23 20:13:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:00,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:00,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 173 states and 258 transitions. [2023-11-23 20:13:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2023-11-23 20:13:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:13:00,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:05,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:05,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 175 states and 262 transitions. [2023-11-23 20:13:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 262 transitions. [2023-11-23 20:13:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:13:06,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms