./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 0e0057cc 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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:17:08,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:17:08,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:17:08,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:17:08,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:17:08,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:17:08,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:17:08,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:17:08,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:17:08,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:17:08,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:17:08,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:17:08,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:17:08,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:17:08,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:17:08,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:17:08,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:17:08,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:17:08,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:17:08,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:17:08,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:17:08,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:17:08,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:17:08,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:17:08,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:17:08,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:17:08,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:17:08,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:17:08,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:17:08,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:17:08,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:17:08,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:17:08,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:17:08,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:17:08,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:17:08,940 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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-12-03 00:17:09,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:17:09,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:17:09,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:17:09,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:17:09,173 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:17:09,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-12-03 00:17:11,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:17:12,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:17:12,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-12-03 00:17:12,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/df0377831/224cf160627b4377b67ee65dfc97b150/FLAG3fa954e90 [2023-12-03 00:17:12,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/df0377831/224cf160627b4377b67ee65dfc97b150 [2023-12-03 00:17:12,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:17:12,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:17:12,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:17:12,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:17:12,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:17:12,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:12,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd6ef41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12, skipping insertion in model container [2023-12-03 00:17:12,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:12,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:17:12,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:17:12,766 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:17:12,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:17:12,879 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:17:12,887 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:17:12,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12 WrapperNode [2023-12-03 00:17:12,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:17:12,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:17:12,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:17:12,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:17:12,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:12,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:12,988 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-12-03 00:17:12,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:17:12,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:17:12,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:17:12,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:17:12,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:12,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:17:13,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:17:13,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:17:13,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:17:13,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:12" (1/1) ... [2023-12-03 00:17:13,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:17:13,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:17:13,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:17:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:17:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:17:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:17:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:17:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:17:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:17:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:17:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:17:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:17:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 00:17:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 00:17:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:17:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:17:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:17:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:17:13,414 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:17:13,416 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:17:15,778 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:17:17,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:17:17,431 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-12-03 00:17:17,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:17:17 BoogieIcfgContainer [2023-12-03 00:17:17,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:17:17,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:17:17,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:17:17,445 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:17:17,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:17:17" (1/1) ... [2023-12-03 00:17:17,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:17:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-12-03 00:17:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-12-03 00:17:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:17:17,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:17,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:17,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:17:17,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:17,785 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 [2023-12-03 00:17:17,794 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 [2023-12-03 00:17:17,837 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:17:17,838 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 00:17:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:17:17,852 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 [2023-12-03 00:17:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-12-03 00:17:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-12-03 00:17:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:17:17,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:17,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:17:18,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:18,052 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 [2023-12-03 00:17:18,057 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 [2023-12-03 00:17:18,087 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:17:18,088 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 00:17:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:17:18,095 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 [2023-12-03 00:17:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2023-12-03 00:17:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2023-12-03 00:17:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:17:18,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:18,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:18,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2023-12-03 00:17:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2023-12-03 00:17:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:17:18,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:18,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 191 states and 308 transitions. [2023-12-03 00:17:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 308 transitions. [2023-12-03 00:17:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:17:18,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:18,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:18,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2023-12-03 00:17:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2023-12-03 00:17:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:17:18,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:18,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:18,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 191 states and 298 transitions. [2023-12-03 00:17:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-12-03 00:17:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:17:18,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:18,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:18,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:28,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2023-12-03 00:17:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2023-12-03 00:17:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:17:29,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:29,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:29,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:17:29,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:39,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:49,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:59,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:09,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-12-03 00:18:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-12-03 00:18:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:18:10,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:10,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:10,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:10,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 224 states and 333 transitions. [2023-12-03 00:18:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2023-12-03 00:18:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:18:10,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:10,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:10,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:18:10,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:21,070 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 [] [2023-12-03 00:18:31,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:41,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:51,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 258 states and 378 transitions. [2023-12-03 00:18:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 378 transitions. [2023-12-03 00:18:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:18:51,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:51,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 258 states and 376 transitions. [2023-12-03 00:18:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 376 transitions. [2023-12-03 00:18:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:18:51,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:51,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:51,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:01,957 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 [] [2023-12-03 00:19:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 258 states and 374 transitions. [2023-12-03 00:19:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 374 transitions. [2023-12-03 00:19:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:19:01,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:19:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:02,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:19:02,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 258 states and 372 transitions. [2023-12-03 00:19:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 372 transitions. [2023-12-03 00:19:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:19:02,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:02,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:19:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:02,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:19:02,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:19:12,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:22,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:32,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:42,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 261 states and 374 transitions. [2023-12-03 00:19:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 374 transitions. [2023-12-03 00:19:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:19:42,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:19:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:43,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:19:43,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:19:53,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:03,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:13,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:23,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 264 states and 376 transitions. [2023-12-03 00:20:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 376 transitions. [2023-12-03 00:20:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:20:23,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:23,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:20:23,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:34,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:44,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:54,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:04,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 279 states and 395 transitions. [2023-12-03 00:21:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 395 transitions. [2023-12-03 00:21:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:21:04,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:04,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:04,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:21:04,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:21:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 291 states and 410 transitions. [2023-12-03 00:21:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 410 transitions. [2023-12-03 00:21:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:21:04,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:04,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:21:04,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:21:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 303 states and 425 transitions. [2023-12-03 00:21:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 425 transitions. [2023-12-03 00:21:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:21:05,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:05,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:21:05,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:21:15,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:16,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 306 states and 427 transitions. [2023-12-03 00:21:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2023-12-03 00:21:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:21:16,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:16,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:18,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:21:18,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 308 states and 431 transitions. [2023-12-03 00:21:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 431 transitions. [2023-12-03 00:21:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:21:19,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:21:29,708 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:21:29,711 INFO L158 Benchmark]: Toolchain (without parser) took 257493.41ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 109.5MB in the beginning and 141.9MB in the end (delta: -32.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-03 00:21:29,711 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:21:29,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.76ms. Allocated memory is still 153.1MB. Free memory was 109.1MB in the beginning and 74.3MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:21:29,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.34ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 65.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:21:29,713 INFO L158 Benchmark]: Boogie Preprocessor took 138.97ms. Allocated memory is still 153.1MB. Free memory was 65.0MB in the beginning and 113.0MB in the end (delta: -48.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-12-03 00:21:29,713 INFO L158 Benchmark]: RCFGBuilder took 4305.33ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 112.4MB in the beginning and 78.7MB in the end (delta: 33.7MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2023-12-03 00:21:29,713 INFO L158 Benchmark]: CodeCheck took 252275.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 78.7MB in the beginning and 141.9MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:21:29,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.76ms. Allocated memory is still 153.1MB. Free memory was 109.1MB in the beginning and 74.3MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.34ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 65.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.97ms. Allocated memory is still 153.1MB. Free memory was 65.0MB in the beginning and 113.0MB in the end (delta: -48.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4305.33ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 112.4MB in the beginning and 78.7MB in the end (delta: 33.7MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * CodeCheck took 252275.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 78.7MB in the beginning and 141.9MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:21:29,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:21:31,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:21:31,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:21:31,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:21:31,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:21:31,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:21:31,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:21:31,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:21:31,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:21:31,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:21:31,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:21:31,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:21:31,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:21:31,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:21:31,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:21:31,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:21:31,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:21:31,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:21:31,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:21:31,632 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:21:31,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:21:31,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:21:31,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:21:31,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:21:31,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:21:31,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:21:31,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:21:31,636 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:31,637 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:21:31,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:21:31,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:31,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:21:31,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:21:31,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:21:31,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:21:31,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:31,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:21:31,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:21:31,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:21:31,640 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-12-03 00:21:31,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:21:31,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:21:31,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:21:31,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:21:31,936 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:21:31,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-12-03 00:21:34,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:21:34,992 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:21:34,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-12-03 00:21:35,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/93bb8279e/f888906856da449a80b1361cdd56d111/FLAGdcfa55196 [2023-12-03 00:21:35,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/data/93bb8279e/f888906856da449a80b1361cdd56d111 [2023-12-03 00:21:35,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:21:35,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:21:35,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:35,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:21:35,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:21:35,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26566249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35, skipping insertion in model container [2023-12-03 00:21:35,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:21:35,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:35,544 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:21:35,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:21:35,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:35,648 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:21:35,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:35,740 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:21:35,745 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:21:35,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35 WrapperNode [2023-12-03 00:21:35,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:35,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:35,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:21:35,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:21:35,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,834 INFO L138 Inliner]: procedures = 180, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1166 [2023-12-03 00:21:35,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:35,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:21:35,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:21:35,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:21:35,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:21:35,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:21:35,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:21:35,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:21:35,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:35" (1/1) ... [2023-12-03 00:21:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:35,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:21:35,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:21:35,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:21:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:21:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:21:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:21:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 00:21:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:21:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:21:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:21:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:21:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:21:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:21:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:21:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:21:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:21:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:21:36,229 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:21:36,231 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:21:51,159 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:21:51,637 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:21:51,637 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-12-03 00:21:51,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:51 BoogieIcfgContainer [2023-12-03 00:21:51,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:21:51,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:21:51,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:21:51,646 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:21:51,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:51" (1/1) ... [2023-12-03 00:21:51,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:21:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-12-03 00:21:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-12-03 00:21:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:21:51,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:51,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:51,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:51,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:51,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6485be-7f35-4902-80a4-1b134f2230d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process