./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV --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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:24,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:24,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:59:24,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:24,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:24,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:24,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:24,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:24,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:24,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:24,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:24,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:24,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:24,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:24,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:24,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:24,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:24,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:24,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:24,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:24,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:24,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:24,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:24,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:24,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:24,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:24,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:24,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:24,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:24,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:24,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:24,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:24,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:24,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:24,709 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_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2023-11-11 23:59:25,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:25,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:25,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:25,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:25,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:25,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-11 23:59:28,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:28,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:28,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-11 23:59:28,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/data/301912266/6239e5c4b3a64a1d8ee88b7b62ff41a9/FLAG9259bad03 [2023-11-11 23:59:28,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/data/301912266/6239e5c4b3a64a1d8ee88b7b62ff41a9 [2023-11-11 23:59:28,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:28,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:28,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:28,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:28,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:28,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:28" (1/1) ... [2023-11-11 23:59:28,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c0d89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:28, skipping insertion in model container [2023-11-11 23:59:28,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:28" (1/1) ... [2023-11-11 23:59:28,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:29,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:29,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:29,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:29,556 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:29,562 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:29,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29 WrapperNode [2023-11-11 23:59:29,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:29,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:29,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:29,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:29,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,705 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-11 23:59:29,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:29,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:29,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:29,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:29,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:29,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:29,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:29,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:29,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:29" (1/1) ... [2023-11-11 23:59:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:29,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:29,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:29,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfe85da-05d3-40d3-bd73-0cc02074c797/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:59:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:59:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:59:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:59:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:59:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:59:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:59:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:59:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:59:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:59:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:30,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:30,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:31,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:33,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:33,741 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-11 23:59:33,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:33 BoogieIcfgContainer [2023-11-11 23:59:33,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:33,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:33,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:33,757 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:33,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2023-11-11 23:59:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2023-11-11 23:59:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:33,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:59:34,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,118 INFO L351 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 [2023-11-11 23:59:34,169 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:34,171 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:59:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:34,196 INFO L351 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 [2023-11-11 23:59:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-11 23:59:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-11 23:59:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:34,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:59:34,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,420 INFO L351 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 [2023-11-11 23:59:34,466 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:34,468 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-11 23:59:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:34,476 INFO L351 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 22 treesize of output 10 [2023-11-11 23:59:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-11 23:59:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-11 23:59:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:59:34,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:34,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 133 states and 215 transitions. [2023-11-11 23:59:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2023-11-11 23:59:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:59:34,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:34,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-11-11 23:59:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-11-11 23:59:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:59:34,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 205 transitions. [2023-11-11 23:59:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2023-11-11 23:59:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:59:35,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:35,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:35,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-11-11 23:59:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-11-11 23:59:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:35,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:35,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:35,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:45,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:59:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 133 states and 193 transitions. [2023-11-11 23:59:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-11-11 23:59:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:45,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:45,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:59:45,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:56,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:06,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:16,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:26,597 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 [] [2023-11-12 00:00:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2023-11-12 00:00:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-11-12 00:00:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:00:26,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:26,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:26,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:26,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 148 states and 209 transitions. [2023-11-12 00:00:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2023-11-12 00:00:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:00:26,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:26,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:27,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:27,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 148 states and 207 transitions. [2023-11-12 00:00:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 207 transitions. [2023-11-12 00:00:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:00:27,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:27,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:27,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:27,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.