./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/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_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/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_86a8c20b-c792-4d1d-a795-3b80653a419f/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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:56,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:56,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:14:56,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:56,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:56,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:56,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:56,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:56,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:56,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:56,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:56,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:56,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:14:56,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:56,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:14:56,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:56,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:56,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:56,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:56,621 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:14:56,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:14:56,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:14:56,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:56,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:56,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:56,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:56,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:56,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:56,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:56,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:56,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:56,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:56,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:56,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:56,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:56,631 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_86a8c20b-c792-4d1d-a795-3b80653a419f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2023-11-23 20:14:56,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:57,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:57,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:57,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:57,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:57,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2023-11-23 20:15:00,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:00,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:00,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2023-11-23 20:15:00,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/data/50c243194/ad9bef58d4184744bb822bc73bfa9a83/FLAG31c83e9c3 [2023-11-23 20:15:00,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/data/50c243194/ad9bef58d4184744bb822bc73bfa9a83 [2023-11-23 20:15:00,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:00,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:00,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:00,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:00,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:00,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:00" (1/1) ... [2023-11-23 20:15:00,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d31d7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:00, skipping insertion in model container [2023-11-23 20:15:00,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:00" (1/1) ... [2023-11-23 20:15:00,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:01,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:01,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:02,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:02,061 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:02,070 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:02,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02 WrapperNode [2023-11-23 20:15:02,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:02,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:02,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:02,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:02,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,313 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3195 [2023-11-23 20:15:02,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:02,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:02,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:02,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:02,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:02,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:02,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:02,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:02,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:02" (1/1) ... [2023-11-23 20:15:02,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:02,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:02,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a8c20b-c792-4d1d-a795-3b80653a419f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:15:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:15:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:15:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:15:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:15:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:15:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:15:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:15:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:15:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:15:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:15:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:15:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:02,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:02,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:05,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:07,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:07,762 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-23 20:15:07,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:07 BoogieIcfgContainer [2023-11-23 20:15:07,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:07,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:07,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:07,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:07,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:07" (1/1) ... [2023-11-23 20:15:07,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1122 states and 2193 transitions. [2023-11-23 20:15:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2193 transitions. [2023-11-23 20:15:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:15:07,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,187 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 20:15:08,254 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:15:08,256 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:15:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:15:08,267 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 20:15:08,291 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 20:15:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1125 states and 2198 transitions. [2023-11-23 20:15:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2198 transitions. [2023-11-23 20:15:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:15:08,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,515 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 20:15:08,579 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:15:08,579 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:15:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:15:08,587 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 20:15:08,592 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 20:15:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1126 states and 2199 transitions. [2023-11-23 20:15:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2199 transitions. [2023-11-23 20:15:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:15:08,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:08,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:08,701 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 20:15:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1126 states and 2197 transitions. [2023-11-23 20:15:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2197 transitions. [2023-11-23 20:15:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:15:08,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:08,961 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 20:15:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1126 states and 2193 transitions. [2023-11-23 20:15:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2193 transitions. [2023-11-23 20:15:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:15:09,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,167 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 20:15:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1126 states and 2189 transitions. [2023-11-23 20:15:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2189 transitions. [2023-11-23 20:15:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:09,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,308 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 20:15:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1126 states and 2183 transitions. [2023-11-23 20:15:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2183 transitions. [2023-11-23 20:15:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:09,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:09,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:09,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:09,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:09,532 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 20:15:19,557 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 20:15:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1126 states and 2177 transitions. [2023-11-23 20:15:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2177 transitions. [2023-11-23 20:15:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:19,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:19,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:19,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:20,067 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 20:15:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1141 states and 2195 transitions. [2023-11-23 20:15:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2195 transitions. [2023-11-23 20:15:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:21,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:21,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:21,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:21,348 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 20:15:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1141 states and 2193 transitions. [2023-11-23 20:15:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2193 transitions. [2023-11-23 20:15:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:15:21,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:21,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:21,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:21,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:21,582 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 20:15:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1141 states and 2191 transitions. [2023-11-23 20:15:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2191 transitions. [2023-11-23 20:15:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:15:21,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:21,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:21,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1141 states and 2189 transitions. [2023-11-23 20:15:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2189 transitions. [2023-11-23 20:15:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:15:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:22,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:22,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:22,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:15:32,952 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 20:15:42,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:15:52,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:15:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1142 states and 2188 transitions. [2023-11-23 20:15:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2188 transitions. [2023-11-23 20:15:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:15:53,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:15:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1142 states and 2188 transitions. [2023-11-23 20:15:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2188 transitions. [2023-11-23 20:15:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:15:54,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:15:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1142 states and 2188 transitions. [2023-11-23 20:15:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2188 transitions. [2023-11-23 20:15:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:15:56,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms