./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi --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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:56,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:56,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:16:56,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:56,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:57,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:57,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:57,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:57,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:57,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:57,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:57,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:57,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:57,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:57,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:57,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:57,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:57,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:57,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:57,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:57,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:57,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:57,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:57,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:57,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:57,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:57,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:57,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:57,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:57,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:57,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:57,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:57,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:57,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:57,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:57,022 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_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-11-24 22:16:57,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:57,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:57,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:57,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:57,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:57,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-24 22:17:00,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:01,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:01,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-24 22:17:01,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/data/6f2b4a10b/0841f351740c41ec8df289aab03b3255/FLAG72ba81ab7 [2023-11-24 22:17:01,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/data/6f2b4a10b/0841f351740c41ec8df289aab03b3255 [2023-11-24 22:17:01,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:01,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:01,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:01,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:01,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:01,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa14aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01, skipping insertion in model container [2023-11-24 22:17:01,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:02,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:02,459 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:02,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:02,741 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:02,747 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:02,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02 WrapperNode [2023-11-24 22:17:02,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:02,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:02,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:02,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:02,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,999 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-24 22:17:02,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:03,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:03,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:03,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:03,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:03,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:03,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:03,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:03,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:03,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:03,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:03,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7436b1c-1b9f-47b0-b9e4-743830ef216e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 22:17:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 22:17:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:17:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:17:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:17:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:17:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:17:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:17:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:17:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:17:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:03,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:03,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:06,857 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:08,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:08,946 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:17:08,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:08 BoogieIcfgContainer [2023-11-24 22:17:08,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:08,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:08,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:08,961 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:08,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:08" (1/1) ... [2023-11-24 22:17:08,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-24 22:17:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-24 22:17:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:17:09,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:09,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:09,351 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 [2023-11-24 22:17:09,362 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 [2023-11-24 22:17:09,409 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:17:09,411 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 22:17:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:09,421 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 [2023-11-24 22:17:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-24 22:17:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-24 22:17:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:17:09,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:17:09,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:09,602 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 [2023-11-24 22:17:09,653 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:17:09,653 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 22:17:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:09,661 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 [2023-11-24 22:17:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1143 states and 2229 transitions. [2023-11-24 22:17:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2229 transitions. [2023-11-24 22:17:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:17:09,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:09,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1143 states and 2227 transitions. [2023-11-24 22:17:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2227 transitions. [2023-11-24 22:17:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:17:09,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1143 states and 2223 transitions. [2023-11-24 22:17:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2223 transitions. [2023-11-24 22:17:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:10,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:10,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1143 states and 2219 transitions. [2023-11-24 22:17:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2219 transitions. [2023-11-24 22:17:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:10,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:10,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1143 states and 2213 transitions. [2023-11-24 22:17:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2213 transitions. [2023-11-24 22:17:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:17:10,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:10,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:20,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:17:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1143 states and 2207 transitions. [2023-11-24 22:17:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2207 transitions. [2023-11-24 22:17:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:17:21,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:17:21,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:32,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:17:42,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:17:52,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:02,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1158 states and 2226 transitions. [2023-11-24 22:18:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2226 transitions. [2023-11-24 22:18:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:02,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:02,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:02,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1158 states and 2224 transitions. [2023-11-24 22:18:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2224 transitions. [2023-11-24 22:18:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:18:02,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:02,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:02,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1158 states and 2222 transitions. [2023-11-24 22:18:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2222 transitions. [2023-11-24 22:18:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:18:02,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:03,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:03,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.