./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.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_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/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_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/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_37e67459-9dad-4638-9152-3b1942e9801b/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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:33:48,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:33:48,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:33:48,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:33:48,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:33:48,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:33:48,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:33:48,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:33:48,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:33:48,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:33:48,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:33:48,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:33:48,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:33:48,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:33:48,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:33:48,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:33:48,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:33:48,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:33:48,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:33:48,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:33:48,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:33:48,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:33:48,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:33:48,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:33:48,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:33:48,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:33:48,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:33:48,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:33:48,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:48,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:33:48,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:33:48,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:33:48,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:33:48,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:33:48,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:33:48,931 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_37e67459-9dad-4638-9152-3b1942e9801b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2023-12-03 04:33:49,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:33:49,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:33:49,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:33:49,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:33:49,184 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:33:49,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-12-03 04:33:51,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:33:52,185 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:33:52,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-12-03 04:33:52,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/e781c221c/681a505e6bf147ceb422c8b3e71f3fe3/FLAGfbb5a89b5 [2023-12-03 04:33:52,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/e781c221c/681a505e6bf147ceb422c8b3e71f3fe3 [2023-12-03 04:33:52,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:33:52,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:33:52,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:52,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:33:52,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:33:52,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:52,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a411600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52, skipping insertion in model container [2023-12-03 04:33:52,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:52,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:33:52,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:52,825 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:33:52,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:52,955 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:33:52,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52 WrapperNode [2023-12-03 04:33:52,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:52,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:52,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:33:52,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:33:52,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:52,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,066 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1817 [2023-12-03 04:33:53,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:53,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:33:53,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:33:53,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:33:53,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:33:53,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:33:53,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:33:53,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:33:53,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:52" (1/1) ... [2023-12-03 04:33:53,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:53,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:33:53,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:33:53,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:33:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:33:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:33:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:33:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:33:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:33:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:33:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:33:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:33:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:33:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:33:53,538 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:33:53,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:33:55,371 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:33:56,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:33:56,759 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:33:56,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:56 BoogieIcfgContainer [2023-12-03 04:33:56,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:33:56,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:33:56,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:33:56,769 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:33:56,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:56" (1/1) ... [2023-12-03 04:33:56,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:33:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 04:33:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 04:33:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:56,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:56,972 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 04:33:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 287 transitions. [2023-12-03 04:33:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2023-12-03 04:33:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:33:56,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:57,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:57,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:57,121 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 04:33:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 04:33:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 04:33:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:33:57,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:57,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:57,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:57,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:57,258 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 04:33:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 04:33:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 04:33:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:33:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:57,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:57,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 04:33:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 04:33:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:33:57,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:57,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:57,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:57,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:57,498 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 04:33:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 04:33:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 04:33:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:33:57,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:57,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:57,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:57,818 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 04:34:07,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:17,946 WARN L539 Checker$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 04:34:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 173 states and 255 transitions. [2023-12-03 04:34:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 255 transitions. [2023-12-03 04:34:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:34:18,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:18,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:18,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:18,569 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 04:34:28,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:38,648 WARN L539 Checker$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 04:34:48,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:58,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:08,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:18,985 WARN L539 Checker$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 04:35:29,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:39,066 WARN L539 Checker$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 04:35:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 225 states and 318 transitions. [2023-12-03 04:35:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 318 transitions. [2023-12-03 04:35:39,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:35:39,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:39,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:39,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:35:39,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:39,699 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 04:35:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 225 states and 316 transitions. [2023-12-03 04:35:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 316 transitions. [2023-12-03 04:35:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:35:39,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:39,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:40,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:35:40,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:40,079 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 04:35:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 225 states and 314 transitions. [2023-12-03 04:35:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 314 transitions. [2023-12-03 04:35:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:35:40,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:40,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:35:40,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:40,546 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 04:35:50,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:00,629 WARN L539 Checker$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 04:36:10,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:20,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:31,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:41,059 WARN L539 Checker$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 04:36:51,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:01,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 278 states and 379 transitions. [2023-12-03 04:37:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 379 transitions. [2023-12-03 04:37:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:37:01,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:01,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:37:01,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:01,699 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 04:37:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 278 states and 377 transitions. [2023-12-03 04:37:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 377 transitions. [2023-12-03 04:37:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:37:01,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:02,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:37:02,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:02,056 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 04:37:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 278 states and 375 transitions. [2023-12-03 04:37:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 375 transitions. [2023-12-03 04:37:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:37:02,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:02,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:37:02,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:02,467 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 04:37:12,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 278 states and 373 transitions. [2023-12-03 04:37:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 373 transitions. [2023-12-03 04:37:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:37:12,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:37:12,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:22,871 WARN L539 Checker$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 04:37:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 278 states and 371 transitions. [2023-12-03 04:37:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2023-12-03 04:37:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:37:22,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:23,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:37:23,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:23,329 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 04:37:33,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:43,376 WARN L539 Checker$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 04:37:53,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:03,431 WARN L539 Checker$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 04:38:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 281 states and 373 transitions. [2023-12-03 04:38:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 373 transitions. [2023-12-03 04:38:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:38:03,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:03,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:38:03,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:03,916 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 04:38:14,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:24,077 WARN L539 Checker$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 04:38:34,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:44,141 WARN L539 Checker$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 04:38:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 295 states and 389 transitions. [2023-12-03 04:38:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 389 transitions. [2023-12-03 04:38:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:38:44,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:44,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:44,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:44,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:44,554 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 04:38:54,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:04,633 WARN L539 Checker$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 04:39:14,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:24,713 WARN L539 Checker$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 04:39:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 298 states and 391 transitions. [2023-12-03 04:39:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2023-12-03 04:39:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 04:39:24,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:25,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:39:25,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:35,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:45,243 WARN L539 Checker$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 04:39:55,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:05,318 WARN L539 Checker$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 04:40:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 301 states and 393 transitions. [2023-12-03 04:40:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 393 transitions. [2023-12-03 04:40:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:40:05,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:05,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:05,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:40:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 310 states and 403 transitions. [2023-12-03 04:40:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 403 transitions. [2023-12-03 04:40:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:40:05,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:06,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:06,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:40:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 319 states and 413 transitions. [2023-12-03 04:40:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 413 transitions. [2023-12-03 04:40:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:40:06,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:06,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:06,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:06,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:40:17,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:27,157 WARN L539 Checker$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 04:40:37,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:47,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:57,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:07,897 WARN L539 Checker$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 04:41:17,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:27,980 WARN L539 Checker$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 04:41:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 365 states and 468 transitions. [2023-12-03 04:41:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 468 transitions. [2023-12-03 04:41:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:41:28,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:28,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:28,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:28,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:41:38,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:48,570 WARN L539 Checker$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 04:41:58,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:08,647 WARN L539 Checker$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 04:42:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2023-12-03 04:42:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2023-12-03 04:42:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:42:08,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:08,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:42:09,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:42:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 368 states and 468 transitions. [2023-12-03 04:42:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 468 transitions. [2023-12-03 04:42:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:42:09,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:09,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:09,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:42:19,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:29,607 WARN L539 Checker$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 04:42:39,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:49,674 WARN L539 Checker$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 04:42:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 371 states and 470 transitions. [2023-12-03 04:42:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 470 transitions. [2023-12-03 04:42:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:42:49,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:49,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:50,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:50,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:43:00,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:10,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:20,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:30,508 WARN L539 Checker$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 04:43:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 374 states and 472 transitions. [2023-12-03 04:43:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 472 transitions. [2023-12-03 04:43:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:43:30,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:30,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:30,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:30,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:43:41,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:51,205 WARN L539 Checker$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 04:44:01,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:44:11,265 WARN L539 Checker$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 04:44:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 377 states and 474 transitions. [2023-12-03 04:44:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 474 transitions. [2023-12-03 04:44:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:44:11,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:11,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:44:11,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:44:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 377 states and 473 transitions. [2023-12-03 04:44:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 473 transitions. [2023-12-03 04:44:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:44:11,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:12,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:12,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:44:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 386 states and 483 transitions. [2023-12-03 04:44:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 483 transitions. [2023-12-03 04:44:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:44:12,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:12,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:12,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:12,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:44:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 395 states and 494 transitions. [2023-12-03 04:44:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 494 transitions. [2023-12-03 04:44:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:44:13,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:13,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:13,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:13,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:44:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 404 states and 504 transitions. [2023-12-03 04:44:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 504 transitions. [2023-12-03 04:44:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:44:13,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:13,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:14,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:44:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 413 states and 515 transitions. [2023-12-03 04:44:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 515 transitions. [2023-12-03 04:44:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:44:15,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:15,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:15,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:15,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:44:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 414 states and 517 transitions. [2023-12-03 04:44:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 517 transitions. [2023-12-03 04:44:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:44:16,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:44:26,376 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 04:44:26,379 INFO L158 Benchmark]: Toolchain (without parser) took 634154.23ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 118.5MB in the beginning and 174.5MB in the end (delta: -56.0MB). Peak memory consumption was 186.5MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,380 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:44:26,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.68ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 80.8MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.94ms. Allocated memory is still 151.0MB. Free memory was 80.4MB in the beginning and 69.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,381 INFO L158 Benchmark]: Boogie Preprocessor took 166.98ms. Allocated memory is still 151.0MB. Free memory was 69.5MB in the beginning and 107.2MB in the end (delta: -37.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,382 INFO L158 Benchmark]: RCFGBuilder took 3525.13ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 107.2MB in the beginning and 138.6MB in the end (delta: -31.4MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,382 INFO L158 Benchmark]: CodeCheck took 629617.11ms. Allocated memory was 220.2MB in the beginning and 274.7MB in the end (delta: 54.5MB). Free memory was 138.6MB in the beginning and 174.5MB in the end (delta: -35.9MB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. [2023-12-03 04:44:26,385 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 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.68ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 80.8MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.94ms. Allocated memory is still 151.0MB. Free memory was 80.4MB in the beginning and 69.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.98ms. Allocated memory is still 151.0MB. Free memory was 69.5MB in the beginning and 107.2MB in the end (delta: -37.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3525.13ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 107.2MB in the beginning and 138.6MB in the end (delta: -31.4MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * CodeCheck took 629617.11ms. Allocated memory was 220.2MB in the beginning and 274.7MB in the end (delta: 54.5MB). Free memory was 138.6MB in the beginning and 174.5MB in the end (delta: -35.9MB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:44:26,594 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:44:26,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/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_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/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_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/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_37e67459-9dad-4638-9152-3b1942e9801b/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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:44:28,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:44:28,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:44:28,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:44:28,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:44:28,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:44:28,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:44:28,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:44:28,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:44:28,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:44:28,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:44:28,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:44:28,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:44:28,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:44:28,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:44:28,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:44:28,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:44:28,456 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:44:28,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:44:28,457 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:44:28,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:44:28,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:44:28,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:44:28,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:44:28,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:44:28,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:44:28,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:44:28,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:28,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:44:28,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:44:28,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:28,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:44:28,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:44:28,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:44:28,464 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:44:28,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:28,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:44:28,465 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:44:28,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:44:28,466 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_37e67459-9dad-4638-9152-3b1942e9801b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2023-12-03 04:44:28,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:44:28,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:44:28,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:44:28,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:44:28,766 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:44:28,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-12-03 04:44:31,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:44:31,939 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:44:31,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-12-03 04:44:31,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/b3cf57a5a/ba98c71a8c2c4ee4b7292edbcc7c3fc8/FLAG9b12221bb [2023-12-03 04:44:31,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/data/b3cf57a5a/ba98c71a8c2c4ee4b7292edbcc7c3fc8 [2023-12-03 04:44:31,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:44:31,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:44:31,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:31,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:44:31,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:44:31,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:31" (1/1) ... [2023-12-03 04:44:31,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4fee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:31, skipping insertion in model container [2023-12-03 04:44:31,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:31" (1/1) ... [2023-12-03 04:44:32,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:44:32,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:32,680 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:44:32,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:44:32,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:32,792 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:44:32,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:32,897 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:44:32,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32 WrapperNode [2023-12-03 04:44:32,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:32,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:32,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:44:32,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:44:32,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:32,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,018 INFO L138 Inliner]: procedures = 180, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1466 [2023-12-03 04:44:33,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:33,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:44:33,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:44:33,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:44:33,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:44:33,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:44:33,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:44:33,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:44:33,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:32" (1/1) ... [2023-12-03 04:44:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:44:33,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:44:33,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:44:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:44:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:44:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:44:33,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:44:33,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:44:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:44:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:44:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:44:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:44:33,503 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:44:33,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:45:03,148 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:45:03,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:45:03,759 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:45:03,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:03 BoogieIcfgContainer [2023-12-03 04:45:03,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:45:03,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:45:03,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:45:03,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:45:03,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:03" (1/1) ... [2023-12-03 04:45:03,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:45:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 04:45:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 04:45:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:45:03,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:03,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:45:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:04,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:04,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:45:04,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:04,435 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 04:45:04,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 04:45:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 04:45:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:45:05,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:05,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:05,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:05,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:05,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:45:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:45:05,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:05,868 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 04:45:05,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:45:05,879 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:45:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 174 states and 292 transitions. [2023-12-03 04:45:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 292 transitions. [2023-12-03 04:45:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:45:06,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:06,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:06,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:06,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:45:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:06,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:06,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:06,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:06,488 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 04:45:06,492 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:45:06,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:45:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:06,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 04:45:06,499 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 04:45:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:45:06,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:06,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:06,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:06,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:45:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:06,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:06,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:06,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:06,889 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 04:45:06,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:45:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 04:45:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 04:45:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:45:06,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:06,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:06,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:06,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:45:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:07,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:07,499 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 04:45:07,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:45:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 04:45:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 04:45:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:07,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:07,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:07,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:07,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:07,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:45:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:08,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:08,183 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 04:45:08,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:45:08,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:45:10,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:10,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 173 states and 251 transitions. [2023-12-03 04:45:10,197 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 251 transitions. [2023-12-03 04:45:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:10,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:10,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:10,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:10,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:10,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:45:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:10,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:11,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:11,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:11,309 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 04:45:11,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:11,317 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:45:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 187 states and 266 transitions. [2023-12-03 04:45:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 266 transitions. [2023-12-03 04:45:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:45:11,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:11,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:11,772 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:11,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:45:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:12,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:12,727 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 04:45:12,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:45:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 187 states and 264 transitions. [2023-12-03 04:45:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2023-12-03 04:45:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:45:12,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:12,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:12,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:12,749 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:12,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:45:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:13,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:13,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:13,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:13,732 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 04:45:13,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:45:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 187 states and 262 transitions. [2023-12-03 04:45:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 262 transitions. [2023-12-03 04:45:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:45:13,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:13,753 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:13,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:45:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:14,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:14,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:14,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:14,971 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 04:45:14,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:45:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 190 states and 264 transitions. [2023-12-03 04:45:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 264 transitions. [2023-12-03 04:45:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:45:15,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:15,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:15,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:45:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:15,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:16,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:45:16,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:45:19,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:21,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:23,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 236 states and 320 transitions. [2023-12-03 04:45:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2023-12-03 04:45:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:45:23,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:23,417 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:23,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:45:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:24,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:45:24,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:45:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 236 states and 318 transitions. [2023-12-03 04:45:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2023-12-03 04:45:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:45:24,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:24,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:24,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:24,653 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:24,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:45:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:25,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:26,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:45:26,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:45:26,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 236 states and 316 transitions. [2023-12-03 04:45:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 316 transitions. [2023-12-03 04:45:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:45:26,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:26,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:26,070 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:26,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:45:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:27,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:45:27,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:45:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 239 states and 318 transitions. [2023-12-03 04:45:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2023-12-03 04:45:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:45:27,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:27,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:27,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:27,998 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:27,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:45:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:28,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:29,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:29,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:45:29,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 242 states and 320 transitions. [2023-12-03 04:45:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 320 transitions. [2023-12-03 04:45:30,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:45:30,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:30,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:30,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:30,044 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:30,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:45:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:31,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:45:31,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:45:41,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 242 states and 318 transitions. [2023-12-03 04:45:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2023-12-03 04:45:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:45:41,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:41,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:41,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:41,609 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:41,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:45:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:42,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:45:43,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:45:43,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:45:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 242 states and 317 transitions. [2023-12-03 04:45:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2023-12-03 04:45:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:45:43,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:43,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:43,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:43,326 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:43,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:45:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:45,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:45:45,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:45:48,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:49,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:51,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:52,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:55,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 309 states and 398 transitions. [2023-12-03 04:45:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 398 transitions. [2023-12-03 04:45:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:45:56,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:56,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:56,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:56,523 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:56,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:45:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:57,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:58,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:58,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:45:58,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:46:08,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:46:19,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:46:29,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:46:39,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:46:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:39,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:39,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:39,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:39,131 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:39,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:46:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:40,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:41,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:41,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:41,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:46:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:41,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:41,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:41,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:41,568 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:41,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:46:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:42,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:43,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:43,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:46:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:43,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:43,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:43,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:43,582 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:43,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:46:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:45,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:45,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:45,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:45,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:46:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:45,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:45,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:45,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:45,676 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:45,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:46:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:47,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:47,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:47,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:47,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:46:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:47,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:47,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:47,781 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:47,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:46:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:49,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:50,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:50,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:50,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:46:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:50,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:50,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:50,087 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:46:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:51,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:52,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:52,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:52,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:46:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:52,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:52,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:52,409 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:52,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:46:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:54,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:54,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:54,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:54,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:46:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:54,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:54,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:54,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:54,705 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:54,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:46:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:56,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:57,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:57,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:57,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:46:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:57,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:57,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:57,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:57,165 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:57,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:46:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:59,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:46:59,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:46:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:46:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:46:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:46:59,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:59,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:59,628 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:47:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:01,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:01,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:01,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:02,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:47:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:02,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:02,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:02,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:02,053 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:02,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:47:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:03,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:04,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:04,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:04,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:47:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:04,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:04,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:04,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:04,611 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:47:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:06,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:07,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:07,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:47:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:07,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:07,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:07,363 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:07,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:47:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:09,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:09,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:09,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:09,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:47:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:10,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:10,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:10,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:10,009 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:10,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:47:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:12,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:12,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:12,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:12,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:47:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:12,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:12,764 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:12,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:47:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:14,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:15,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:15,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:15,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:47:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:15,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:15,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:15,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:15,592 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:15,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:47:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:17,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:18,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:18,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:18,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:47:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:18,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:18,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:18,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:18,444 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:18,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:47:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:20,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:21,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:21,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:21,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:47:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:21,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:21,473 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:21,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:47:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:23,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:24,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:24,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:24,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:47:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:24,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:24,472 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:24,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:47:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:26,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:27,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:27,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:27,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:47:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:27,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:27,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:27,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:27,490 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:27,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:47:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:30,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:30,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:47:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:30,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:30,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:30,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:30,833 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:47:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:33,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:33,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:34,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:34,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 04:47:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:34,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:34,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:34,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:34,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:34,064 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:34,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:47:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:36,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:37,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:37,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:37,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:47:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:37,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:37,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:37,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:37,320 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:37,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:47:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:40,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:40,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:40,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:40,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:47:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:40,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:40,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:40,765 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:40,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:47:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:43,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:43,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:43,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:43,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:47:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:44,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:44,008 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:44,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:47:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:46,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:47,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:47,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:47,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:47:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:47,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:47,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:47,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:47,280 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:47,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:47:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:49,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:50,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:50,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:50,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:47:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:50,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:50,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:50,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:50,535 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:50,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:47:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:53,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:54,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:54,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:54,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:47:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:54,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:54,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:54,429 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:54,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:47:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:57,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:58,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:58,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:58,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 04:47:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:47:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:47:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:47:58,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:58,212 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:58,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:48:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:01,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:01,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:48:01,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:48:01,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:48:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:48:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:48:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:48:01,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:01,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:01,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:01,804 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:48:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:05,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:05,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:48:05,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:48:05,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:48:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:48:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:48:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:48:05,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:05,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:05,900 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:05,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:48:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:09,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:09,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:48:09,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:48:09,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:48:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:48:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:48:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:48:09,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:09,705 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:09,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e67459-9dad-4638-9152-3b1942e9801b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:48:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:13,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:13,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:48:13,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.