./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.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_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/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_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/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_7211a7af-69d3-4b15-ae28-1daff2824aa7/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:57:59,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:57:59,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:57:59,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:57:59,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:57:59,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:57:59,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:57:59,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:57:59,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:57:59,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:57:59,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:57:59,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:57:59,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:57:59,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:57:59,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:57:59,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:57:59,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:57:59,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:57:59,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:57:59,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:57:59,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:57:59,337 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:57:59,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:57:59,338 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:57:59,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:57:59,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:57:59,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:57:59,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:57:59,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:57:59,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:57:59,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:57:59,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:57:59,341 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:57:59,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:57:59,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:57:59,342 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_7211a7af-69d3-4b15-ae28-1daff2824aa7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-12-03 04:57:59,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:57:59,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:57:59,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:57:59,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:57:59,599 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:57:59,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 04:58:02,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:58:02,662 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:58:02,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 04:58:02,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/d03adf4b0/205ece4a3bc74a0ea88098b2b3fabff4/FLAG6c5ffb64b [2023-12-03 04:58:02,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/d03adf4b0/205ece4a3bc74a0ea88098b2b3fabff4 [2023-12-03 04:58:02,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:58:02,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:58:02,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:02,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:58:02,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:58:02,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:02" (1/1) ... [2023-12-03 04:58:02,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c1874e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:02, skipping insertion in model container [2023-12-03 04:58:02,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:02" (1/1) ... [2023-12-03 04:58:02,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:58:03,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:03,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:58:03,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:03,591 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:58:03,600 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:58:03,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03 WrapperNode [2023-12-03 04:58:03,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:03,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:03,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:58:03,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:58:03,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,725 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-12-03 04:58:03,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:03,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:58:03,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:58:03,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:58:03,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:58:03,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:58:03,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:58:03,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:58:03,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:03" (1/1) ... [2023-12-03 04:58:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:58:03,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:58:03,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:58:03,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:58:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 04:58:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 04:58:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:58:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 04:58:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:58:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:58:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 04:58:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 04:58:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:58:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:58:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:58:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:58:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:58:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:58:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 04:58:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 04:58:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:58:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 04:58:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 04:58:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:58:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:58:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:58:04,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:58:04,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:58:05,497 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:58:06,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:58:06,871 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 04:58:06,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:06 BoogieIcfgContainer [2023-12-03 04:58:06,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:58:06,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:58:06,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:58:06,882 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:58:06,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:06" (1/1) ... [2023-12-03 04:58:06,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:58:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 04:58:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 04:58:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:58:06,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:06,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:07,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:58:07,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:07,196 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 04:58:07,236 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 04:58:07,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-12-03 04:58:07,247 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 8 treesize of output 7 [2023-12-03 04:58:07,277 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 8 treesize of output 7 [2023-12-03 04:58:07,303 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:58:07,305 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2023-12-03 04:58:07,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 treesize of output 14 [2023-12-03 04:58:07,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2023-12-03 04:58:07,378 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:58:07,379 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-03 04:58:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:58:07,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-03 04:58:07,398 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 04:58:07,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-12-03 04:58:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-12-03 04:58:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:58:07,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:07,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:58:07,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:07,585 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 04:58:07,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-12-03 04:58:07,593 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 8 treesize of output 7 [2023-12-03 04:58:07,615 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 8 treesize of output 7 [2023-12-03 04:58:07,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2023-12-03 04:58:07,652 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 04:58:07,671 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:58:07,672 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 04:58:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:58:07,677 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 04:58:07,689 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 04:58:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:07,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2023-12-03 04:58:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2023-12-03 04:58:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:58:07,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:07,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:07,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:58:07,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:07,844 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 04:58:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 200 states and 309 transitions. [2023-12-03 04:58:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 309 transitions. [2023-12-03 04:58:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:58:07,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:07,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:58:07,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:07,982 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 04:58:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2023-12-03 04:58:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2023-12-03 04:58:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:58:07,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:07,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:08,158 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 04:58:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2023-12-03 04:58:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-12-03 04:58:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:58:08,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:08,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:58:08,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:08,366 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 04:58:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 198 states and 291 transitions. [2023-12-03 04:58:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 291 transitions. [2023-12-03 04:58:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:58:08,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:08,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:58:08,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:08,508 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 04:58:18,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:58:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2023-12-03 04:58:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2023-12-03 04:58:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:58:18,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:18,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:18,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:58:18,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:29,253 WARN L539 Checker$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 04:58:39,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:58:49,329 WARN L539 Checker$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 04:58:59,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:58:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 216 states and 317 transitions. [2023-12-03 04:58:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 317 transitions. [2023-12-03 04:58:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:58:59,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:59,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:58:59,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:10,368 WARN L539 Checker$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 04:59:16,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:59:26,121 WARN L539 Checker$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 04:59:36,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:59:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 235 states and 346 transitions. [2023-12-03 04:59:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-12-03 04:59:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:59:36,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:36,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:36,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:59:36,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:46,425 WARN L539 Checker$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 04:59:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 235 states and 344 transitions. [2023-12-03 04:59:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2023-12-03 04:59:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:59:46,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:46,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:59:46,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:46,676 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 04:59:56,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:00:06,726 WARN L539 Checker$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 05:00:16,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:00:26,778 WARN L539 Checker$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 05:00:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 238 states and 346 transitions. [2023-12-03 05:00:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 346 transitions. [2023-12-03 05:00:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 05:00:26,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:26,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:00:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:26,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:00:26,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:26,957 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 05:00:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 238 states and 342 transitions. [2023-12-03 05:00:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 342 transitions. [2023-12-03 05:00:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 05:00:26,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:26,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:00:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:27,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:00:27,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:27,157 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 05:00:37,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:00:47,204 WARN L539 Checker$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 05:00:57,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:01:07,268 WARN L539 Checker$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 05:01:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 241 states and 344 transitions. [2023-12-03 05:01:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 344 transitions. [2023-12-03 05:01:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 05:01:07,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:07,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:07,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:01:07,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:07,520 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 05:01:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 241 states and 338 transitions. [2023-12-03 05:01:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 338 transitions. [2023-12-03 05:01:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 05:01:07,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:07,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:01:07,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:07,818 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 05:01:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 250 states and 349 transitions. [2023-12-03 05:01:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 349 transitions. [2023-12-03 05:01:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 05:01:08,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:08,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:01:08,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:08,240 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 05:01:18,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:01:28,970 WARN L539 Checker$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 05:01:39,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:01:49,043 WARN L539 Checker$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 05:01:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 277 states and 396 transitions. [2023-12-03 05:01:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2023-12-03 05:01:49,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 05:01:49,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:49,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:49,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:01:49,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:49,556 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 05:01:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 286 states and 408 transitions. [2023-12-03 05:01:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 408 transitions. [2023-12-03 05:01:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 05:01:49,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:49,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:01:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:49,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:01:49,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:50,058 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 05:02:00,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:02:10,944 WARN L539 Checker$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 05:02:20,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:02:30,996 WARN L539 Checker$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 05:02:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 314 states and 458 transitions. [2023-12-03 05:02:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 458 transitions. [2023-12-03 05:02:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:02:31,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:31,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:31,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:02:31,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:31,731 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 05:02:41,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:02:51,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:01,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:11,953 WARN L539 Checker$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 05:03:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 317 states and 460 transitions. [2023-12-03 05:03:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 460 transitions. [2023-12-03 05:03:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 05:03:12,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:12,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:03:12,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:12,239 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 05:03:22,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:32,289 WARN L539 Checker$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 05:03:42,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:52,349 WARN L539 Checker$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 05:03:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 320 states and 462 transitions. [2023-12-03 05:03:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 462 transitions. [2023-12-03 05:03:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:03:52,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:52,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:52,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:03:52,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:52,679 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 05:04:03,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:13,894 WARN L539 Checker$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 05:04:23,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:33,954 WARN L539 Checker$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 05:04:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 335 states and 482 transitions. [2023-12-03 05:04:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2023-12-03 05:04:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 05:04:34,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:34,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 05:04:34,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 349 states and 520 transitions. [2023-12-03 05:04:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 520 transitions. [2023-12-03 05:04:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:04:35,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:35,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 05:04:35,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 366 states and 570 transitions. [2023-12-03 05:04:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 570 transitions. [2023-12-03 05:04:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 05:04:37,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:38,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:04:38,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 365 states and 565 transitions. [2023-12-03 05:04:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 565 transitions. [2023-12-03 05:04:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:04:38,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:38,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:04:38,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:38,554 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 05:04:48,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:58,607 WARN L539 Checker$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 05:05:08,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:18,679 WARN L539 Checker$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 05:05:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 368 states and 567 transitions. [2023-12-03 05:05:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 567 transitions. [2023-12-03 05:05:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:05:18,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:18,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:05:18,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:18,922 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 05:05:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 374 states and 580 transitions. [2023-12-03 05:05:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 580 transitions. [2023-12-03 05:05:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:05:19,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:19,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:19,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:05:19,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:05:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 372 states and 576 transitions. [2023-12-03 05:05:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 576 transitions. [2023-12-03 05:05:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:05:19,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:19,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:19,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 05:05:19,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:21,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 380 states and 596 transitions. [2023-12-03 05:05:21,323 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 596 transitions. [2023-12-03 05:05:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 05:05:21,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:21,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 05:05:21,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 397 states and 651 transitions. [2023-12-03 05:05:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 651 transitions. [2023-12-03 05:05:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 05:05:24,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:24,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:05:24,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 419 states and 719 transitions. [2023-12-03 05:05:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 719 transitions. [2023-12-03 05:05:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 05:05:27,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:27,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 05:05:27,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:05:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 433 states and 762 transitions. [2023-12-03 05:05:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 762 transitions. [2023-12-03 05:05:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 05:05:32,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:32,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:32,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:05:32,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:05:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 435 states and 769 transitions. [2023-12-03 05:05:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 769 transitions. [2023-12-03 05:05:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 05:05:33,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:33,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:33,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 05:05:33,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:05:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 457 states and 832 transitions. [2023-12-03 05:05:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 832 transitions. [2023-12-03 05:05:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 05:05:37,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:37,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:37,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:05:37,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:05:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 459 states and 838 transitions. [2023-12-03 05:05:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 838 transitions. [2023-12-03 05:05:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 05:05:38,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:38,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:05:38,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:05:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 460 states and 840 transitions. [2023-12-03 05:05:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 840 transitions. [2023-12-03 05:05:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 05:05:38,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:39,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 05:05:39,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 05:05:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 462 states and 842 transitions. [2023-12-03 05:05:40,988 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 842 transitions. [2023-12-03 05:05:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 05:05:40,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:42,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 05:05:42,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 474 states and 877 transitions. [2023-12-03 05:05:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 877 transitions. [2023-12-03 05:05:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 05:05:54,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:54,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:00,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 05:06:00,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:06:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 476 states and 881 transitions. [2023-12-03 05:06:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 881 transitions. [2023-12-03 05:06:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 05:06:03,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:03,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:06:13,767 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 05:06:13,770 INFO L158 Benchmark]: Toolchain (without parser) took 491072.46ms. Allocated memory was 142.6MB in the beginning and 362.8MB in the end (delta: 220.2MB). Free memory was 99.8MB in the beginning and 78.3MB in the end (delta: 21.5MB). Peak memory consumption was 243.4MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,770 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:06:13,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.37ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 99.8MB in the beginning and 155.0MB in the end (delta: -55.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.50ms. Allocated memory is still 205.5MB. Free memory was 155.0MB in the beginning and 144.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,772 INFO L158 Benchmark]: Boogie Preprocessor took 137.30ms. Allocated memory is still 205.5MB. Free memory was 144.5MB in the beginning and 134.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,772 INFO L158 Benchmark]: RCFGBuilder took 3008.16ms. Allocated memory was 205.5MB in the beginning and 251.7MB in the end (delta: 46.1MB). Free memory was 134.0MB in the beginning and 134.8MB in the end (delta: -794.2kB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,773 INFO L158 Benchmark]: CodeCheck took 486895.56ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 134.8MB in the beginning and 78.3MB in the end (delta: 56.5MB). Peak memory consumption was 167.6MB. Max. memory is 16.1GB. [2023-12-03 05:06:13,776 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 0.16ms. Allocated memory is still 142.6MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.37ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 99.8MB in the beginning and 155.0MB in the end (delta: -55.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.50ms. Allocated memory is still 205.5MB. Free memory was 155.0MB in the beginning and 144.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.30ms. Allocated memory is still 205.5MB. Free memory was 144.5MB in the beginning and 134.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3008.16ms. Allocated memory was 205.5MB in the beginning and 251.7MB in the end (delta: 46.1MB). Free memory was 134.0MB in the beginning and 134.8MB in the end (delta: -794.2kB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. * CodeCheck took 486895.56ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 134.8MB in the beginning and 78.3MB in the end (delta: 56.5MB). Peak memory consumption was 167.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:06:13,987 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 05:06:14,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/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_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/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_7211a7af-69d3-4b15-ae28-1daff2824aa7/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:06:15,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:06:15,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 05:06:15,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:06:15,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:06:15,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:06:15,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:06:15,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:06:15,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:06:15,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:06:15,916 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 05:06:15,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 05:06:15,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:06:15,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:06:15,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:06:15,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:06:15,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:06:15,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:06:15,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:06:15,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:06:15,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:06:15,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 05:06:15,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:06:15,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:06:15,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:06:15,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:06:15,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:06:15,927 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:06:15,928 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:06:15,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:06:15,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:06:15,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:06:15,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:06:15,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:06:15,930 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:06:15,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:06:15,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:06:15,930 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:06:15,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:06:15,931 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_7211a7af-69d3-4b15-ae28-1daff2824aa7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-12-03 05:06:16,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:06:16,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:06:16,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:06:16,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:06:16,250 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:06:16,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 05:06:19,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:06:19,337 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:06:19,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 05:06:19,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/6ecbd01e8/8618b7281abc436cabf378ed795ff138/FLAGdc361f737 [2023-12-03 05:06:19,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/data/6ecbd01e8/8618b7281abc436cabf378ed795ff138 [2023-12-03 05:06:19,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:06:19,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:06:19,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:06:19,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:06:19,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:06:19,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:06:19" (1/1) ... [2023-12-03 05:06:19,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcb403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:19, skipping insertion in model container [2023-12-03 05:06:19,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:06:19" (1/1) ... [2023-12-03 05:06:19,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:06:20,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:06:20,024 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 05:06:20,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:06:20,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:06:20,163 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:06:20,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:06:20,302 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:06:20,308 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:06:20,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20 WrapperNode [2023-12-03 05:06:20,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:06:20,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:06:20,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:06:20,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:06:20,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,429 INFO L138 Inliner]: procedures = 285, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1217 [2023-12-03 05:06:20,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:06:20,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:06:20,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:06:20,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:06:20,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:06:20,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:06:20,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:06:20,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:06:20,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:06:20" (1/1) ... [2023-12-03 05:06:20,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:06:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:06:20,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:06:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:06:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 05:06:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 05:06:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 05:06:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:06:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 05:06:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 05:06:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 05:06:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 05:06:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 05:06:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:06:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 05:06:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 05:06:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 05:06:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 05:06:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 05:06:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:06:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:06:20,833 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:06:20,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:06:31,860 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:06:32,413 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:06:32,413 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 05:06:32,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:06:32 BoogieIcfgContainer [2023-12-03 05:06:32,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:06:32,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:06:32,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:06:32,425 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:06:32,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:06:32" (1/1) ... [2023-12-03 05:06:32,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:06:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 05:06:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 05:06:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 05:06:32,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:32,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:06:32,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:06:32,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:06:32,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7211a7af-69d3-4b15-ae28-1daff2824aa7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process