./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/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_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/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_b29f921e-6f7f-4771-892c-415e2795841d/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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:00,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:00,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:00,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:00,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:00,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:00,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:00,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:00,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:00,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:00,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:00,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:00,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:00,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:00,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:00,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:00,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:00,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:00,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:00,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:00,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:00,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:00,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:00,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:00,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:00,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:00,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:00,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:00,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:00,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:00,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:00,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:00,804 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:00,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:00,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:00,805 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_b29f921e-6f7f-4771-892c-415e2795841d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2023-11-21 18:37:01,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:01,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:01,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:01,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:01,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:01,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-21 18:37:04,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:05,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:05,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-21 18:37:05,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/data/ae87162a4/22b2a862d1b3499ebb344cb9c6e4ac40/FLAG64733326e [2023-11-21 18:37:05,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/data/ae87162a4/22b2a862d1b3499ebb344cb9c6e4ac40 [2023-11-21 18:37:05,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:05,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:05,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:05,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:05,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:05,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:05" (1/1) ... [2023-11-21 18:37:05,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb8e640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:05, skipping insertion in model container [2023-11-21 18:37:05,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:05" (1/1) ... [2023-11-21 18:37:05,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:06,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:06,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:06,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:06,770 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:06,780 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:06,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06 WrapperNode [2023-11-21 18:37:06,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:06,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:06,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:06,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:06,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:06,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,076 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-21 18:37:07,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:07,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:07,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:07,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:07,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:07,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:07,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:07,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:07,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:06" (1/1) ... [2023-11-21 18:37:07,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:07,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:07,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:07,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29f921e-6f7f-4771-892c-415e2795841d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:37:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:37:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:37:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:37:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:37:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:37:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:37:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:07,609 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:07,616 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:11,077 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:13,876 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:13,876 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:37:13,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:13 BoogieIcfgContainer [2023-11-21 18:37:13,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:13,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:13,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:13,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:13,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-21 18:37:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-21 18:37:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:14,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:14,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:14,405 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 18:37:14,417 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 18:37:14,474 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:14,476 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:37:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:14,486 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 18:37:14,503 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 18:37:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-21 18:37:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-21 18:37:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:37:14,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:14,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:14,693 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 18:37:14,699 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 18:37:14,790 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:14,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:37:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:14,802 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 18:37:14,820 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 18:37:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1142 states and 2228 transitions. [2023-11-21 18:37:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2228 transitions. [2023-11-21 18:37:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:14,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,109 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 18:37:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1142 states and 2226 transitions. [2023-11-21 18:37:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2226 transitions. [2023-11-21 18:37:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:15,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,428 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 18:37:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1142 states and 2222 transitions. [2023-11-21 18:37:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2222 transitions. [2023-11-21 18:37:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:37:15,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,692 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 18:37:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1142 states and 2218 transitions. [2023-11-21 18:37:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2218 transitions. [2023-11-21 18:37:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:15,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,840 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 18:37:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1142 states and 2212 transitions. [2023-11-21 18:37:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2212 transitions. [2023-11-21 18:37:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:15,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,036 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 18:37:26,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:37:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1142 states and 2206 transitions. [2023-11-21 18:37:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2206 transitions. [2023-11-21 18:37:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:26,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:37,189 WARN L539 Checker$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 18:37:39,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:37:39,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1157 states and 2225 transitions. [2023-11-21 18:37:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2225 transitions. [2023-11-21 18:37:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:39,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,100 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 18:37:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1157 states and 2223 transitions. [2023-11-21 18:37:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2223 transitions. [2023-11-21 18:37:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:40,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,353 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 18:37:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1157 states and 2221 transitions. [2023-11-21 18:37:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2221 transitions. [2023-11-21 18:37:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:40,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:50,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:37:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1155 states and 2215 transitions. [2023-11-21 18:37:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2215 transitions. [2023-11-21 18:37:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:50,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:50,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:54,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1157 states and 2219 transitions. [2023-11-21 18:37:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2219 transitions. [2023-11-21 18:37:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:37:54,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms