./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:31,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:31,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:59:31,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:31,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:31,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:31,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:31,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:31,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:31,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:31,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:31,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:31,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:31,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:31,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:31,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:31,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:31,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:31,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:31,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:31,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:31,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:31,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:31,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:31,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:31,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:31,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:31,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:31,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:31,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:31,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:31,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:31,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:31,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:31,958 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_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-11-11 23:59:32,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:32,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:32,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:32,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:32,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:32,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-11 23:59:35,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:35,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:35,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-11 23:59:35,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/data/2c6ab89cd/99e79db6cb1049c69f2bec381c15a5d9/FLAG1bcb70076 [2023-11-11 23:59:35,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/data/2c6ab89cd/99e79db6cb1049c69f2bec381c15a5d9 [2023-11-11 23:59:35,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:35,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:35,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:35,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:35,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:35,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6956e0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35, skipping insertion in model container [2023-11-11 23:59:35,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:36,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:36,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:36,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:36,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:36,877 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:36,885 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:36,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36 WrapperNode [2023-11-11 23:59:36,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:36,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:36,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:36,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:36,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:36,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,093 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-11 23:59:37,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:37,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:37,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:37,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:37,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:37,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:37,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:37,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:37,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:37,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:37,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:37,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:37,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d56b6e-d8eb-4047-b04b-a483a4fa37aa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:59:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:59:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:59:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:59:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:59:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:59:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:59:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:59:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-11 23:59:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-11 23:59:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:59:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:59:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:59:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:59:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:37,742 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:37,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:39,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:41,727 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:41,728 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-11 23:59:41,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:41 BoogieIcfgContainer [2023-11-11 23:59:41,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:41,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:41,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:41,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:41,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:41" (1/1) ... [2023-11-11 23:59:41,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-11 23:59:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-11 23:59:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:41,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:41,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:42,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:59:42,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:42,159 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:59:42,185 INFO L351 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 [2023-11-11 23:59:42,247 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:42,249 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:59:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:42,258 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:59:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-11 23:59:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-11 23:59:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:42,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:42,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:42,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:59:42,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:42,501 INFO L351 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 [2023-11-11 23:59:42,534 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:59:42,577 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:42,578 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:59:42,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:42,588 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:59:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2023-11-11 23:59:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2023-11-11 23:59:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:59:42,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:42,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:42,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:42,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2023-11-11 23:59:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2023-11-11 23:59:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:59:42,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:42,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 191 states and 308 transitions. [2023-11-11 23:59:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 308 transitions. [2023-11-11 23:59:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:59:43,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:43,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:43,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2023-11-11 23:59:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2023-11-11 23:59:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:59:43,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:43,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:43,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 191 states and 298 transitions. [2023-11-11 23:59:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-11 23:59:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:59:43,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:43,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:43,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:59:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2023-11-11 23:59:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2023-11-11 23:59:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:59:53,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:54,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:59:54,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:04,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:14,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:24,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:34,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-11-12 00:00:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-11-12 00:00:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:00:35,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:35,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:35,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 224 states and 333 transitions. [2023-11-12 00:00:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2023-11-12 00:00:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:00:35,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:35,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:00:35,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.