./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 527bcce2 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_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/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_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:39:52,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:52,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:52,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:52,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:52,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:52,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:52,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:52,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:52,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:52,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:52,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:52,935 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:52,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:52,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:52,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:52,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:52,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:52,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:52,939 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:52,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:52,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:52,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:52,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:52,942 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:52,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:52,943 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:52,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:52,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:52,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:52,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:52,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:52,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:52,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:52,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:52,947 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_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-11-21 18:39:53,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:53,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:53,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:53,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:53,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:53,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-21 18:39:56,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:57,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:57,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-21 18:39:57,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/data/06bd2024f/1b26f9dc6ed543d0a99f75f0667a2ab3/FLAG00e55fad9 [2023-11-21 18:39:57,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/data/06bd2024f/1b26f9dc6ed543d0a99f75f0667a2ab3 [2023-11-21 18:39:57,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:57,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:57,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:57,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:57,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:57,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:57" (1/1) ... [2023-11-21 18:39:57,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295e14c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:57, skipping insertion in model container [2023-11-21 18:39:57,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:57" (1/1) ... [2023-11-21 18:39:57,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:58,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:58,331 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:58,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:58,514 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:58,520 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:58,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58 WrapperNode [2023-11-21 18:39:58,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:58,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:58,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:58,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:58,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,753 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-21 18:39:58,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:58,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:58,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:58,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:58,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:58,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:59,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:59,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:59,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:59,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:59,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:59,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:59,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:58" (1/1) ... [2023-11-21 18:39:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:59,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:59,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:59,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eaea206-55d6-401a-bd03-f93533c7d469/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:39:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:39:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:39:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:39:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:39:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:59,388 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:59,391 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:02,519 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:05,128 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:05,128 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:40:05,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:05 BoogieIcfgContainer [2023-11-21 18:40:05,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:05,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:05,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:05,143 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:05,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:05" (1/1) ... [2023-11-21 18:40:05,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-21 18:40:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-21 18:40:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:05,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:05,611 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 [2023-11-21 18:40:05,638 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 [2023-11-21 18:40:05,688 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:40:05,690 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:40:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:40:05,699 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 22 treesize of output 10 [2023-11-21 18:40:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-21 18:40:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-21 18:40:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:05,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:05,876 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 [2023-11-21 18:40:05,881 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 [2023-11-21 18:40:05,949 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:40:05,950 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:40:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:40:05,959 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 [2023-11-21 18:40:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1142 states and 2228 transitions. [2023-11-21 18:40:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2228 transitions. [2023-11-21 18:40:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:06,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:06,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1142 states and 2226 transitions. [2023-11-21 18:40:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2226 transitions. [2023-11-21 18:40:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:06,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1142 states and 2222 transitions. [2023-11-21 18:40:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2222 transitions. [2023-11-21 18:40:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:06,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:06,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1142 states and 2218 transitions. [2023-11-21 18:40:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2218 transitions. [2023-11-21 18:40:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:06,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:06,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1142 states and 2212 transitions. [2023-11-21 18:40:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2212 transitions. [2023-11-21 18:40:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:06,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:07,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:07,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:17,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:40:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1142 states and 2206 transitions. [2023-11-21 18:40:17,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2206 transitions. [2023-11-21 18:40:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:17,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:28,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:40:38,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:40:48,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:40:58,283 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 [] [2023-11-21 18:40:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1157 states and 2225 transitions. [2023-11-21 18:40:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2225 transitions. [2023-11-21 18:40:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:40:58,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1157 states and 2223 transitions. [2023-11-21 18:40:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2223 transitions. [2023-11-21 18:40:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:58,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1157 states and 2221 transitions. [2023-11-21 18:40:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2221 transitions. [2023-11-21 18:40:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:58,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:59,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.