./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:44,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:44,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:06:44,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:44,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:44,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:44,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:44,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:44,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:44,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:44,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:44,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:44,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:44,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:44,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:44,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:44,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:44,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:44,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:44,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:44,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:44,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:44,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:44,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:44,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:44,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:44,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:44,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:44,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:44,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:44,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:44,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:44,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:44,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:44,997 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_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 [2023-11-12 00:06:45,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:45,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:45,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:45,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:45,300 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:45,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-12 00:06:48,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:48,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:48,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-12 00:06:49,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/data/ac66c83a0/13cd8a35613a478f97966ef7d58c680a/FLAG6911ddd82 [2023-11-12 00:06:49,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/data/ac66c83a0/13cd8a35613a478f97966ef7d58c680a [2023-11-12 00:06:49,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:49,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:49,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:49,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:49,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:49,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:49,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287abfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49, skipping insertion in model container [2023-11-12 00:06:49,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:49,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:49,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:49,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:49,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:49,925 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:49,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49 WrapperNode [2023-11-12 00:06:49,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:49,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:49,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:49,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:49,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:49,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,043 INFO L138 Inliner]: procedures = 145, calls = 277, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 442 [2023-11-12 00:06:50,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:50,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:50,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:50,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:50,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:50,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:50,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:50,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:50,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:49" (1/1) ... [2023-11-12 00:06:50,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:50,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:50,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:50,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:06:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:06:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:06:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:06:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:06:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:06:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:06:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:06:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:06:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:06:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:06:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:06:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:06:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:06:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:50,465 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:50,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:01,562 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:01,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:01,724 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:07:01,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:01 BoogieIcfgContainer [2023-11-12 00:07:01,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:01,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:01,729 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:01,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:01,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2023-11-12 00:07:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2023-11-12 00:07:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:07:01,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:12,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:07:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2023-11-12 00:07:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2023-11-12 00:07:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:07:12,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2023-11-12 00:07:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2023-11-12 00:07:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:07:12,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:12,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2023-11-12 00:07:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2023-11-12 00:07:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:12,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:23,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:07:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 111 states and 153 transitions. [2023-11-12 00:07:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2023-11-12 00:07:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:07:23,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2023-11-12 00:07:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2023-11-12 00:07:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:07:23,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2023-11-12 00:07:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2023-11-12 00:07:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:24,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-12 00:07:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-12 00:07:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:07:24,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:24,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:07:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 121 states and 168 transitions. [2023-11-12 00:07:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2023-11-12 00:07:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:07:25,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2023-11-12 00:07:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2023-11-12 00:07:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:07:26,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:07:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 123 states and 169 transitions. [2023-11-12 00:07:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2023-11-12 00:07:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:07:26,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:07:37,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:07:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 170 transitions. [2023-11-12 00:07:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2023-11-12 00:07:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:37,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:37,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:07:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2023-11-12 00:07:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2023-11-12 00:07:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:38,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:07:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 164 transitions. [2023-11-12 00:07:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 164 transitions. [2023-11-12 00:07:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:38,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:07:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 166 transitions. [2023-11-12 00:07:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2023-11-12 00:07:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:07:39,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:07:42,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-12 00:07:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-12 00:07:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:07:42,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-12 00:07:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 136 states and 177 transitions. [2023-11-12 00:07:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 177 transitions. [2023-11-12 00:07:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:07:45,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:07:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 135 states and 176 transitions. [2023-11-12 00:07:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2023-11-12 00:07:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 00:07:45,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:07:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 134 states and 175 transitions. [2023-11-12 00:07:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 175 transitions. [2023-11-12 00:07:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:07:46,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 73 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-12 00:07:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2023-11-12 00:07:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2023-11-12 00:07:47,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:07:47,170 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-11-12 00:07:47,179 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-12 00:07:47,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:07:47,590 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:07:47,590 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:07:47,593 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-12 00:07:47,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:07:47 ImpRootNode [2023-11-12 00:07:47,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:07:47,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:07:47,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:07:47,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:07:47,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:01" (3/4) ... [2023-11-12 00:07:47,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:07:47,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2023-11-12 00:07:47,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:07:47,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2023-11-12 00:07:47,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:07:47,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2023-11-12 00:07:47,624 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-11-12 00:07:47,627 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-12 00:07:47,628 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:07:47,630 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:07:47,631 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:07:47,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:07:47,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:07:47,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:07:47,823 INFO L158 Benchmark]: Toolchain (without parser) took 58789.23ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 133.1MB in the beginning and 91.2MB in the end (delta: 41.9MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,823 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 119.5MB. Free memory was 79.1MB in the beginning and 79.1MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:47,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.35ms. Allocated memory is still 165.7MB. Free memory was 132.5MB in the beginning and 106.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.47ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 101.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,825 INFO L158 Benchmark]: Boogie Preprocessor took 77.03ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 97.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,825 INFO L158 Benchmark]: RCFGBuilder took 11605.19ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 97.8MB in the beginning and 142.0MB in the end (delta: -44.2MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,826 INFO L158 Benchmark]: CodeCheck took 45869.17ms. Allocated memory is still 226.5MB. Free memory was 142.0MB in the beginning and 102.7MB in the end (delta: 39.3MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,826 INFO L158 Benchmark]: Witness Printer took 223.94ms. Allocated memory is still 226.5MB. Free memory was 102.7MB in the beginning and 91.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:07:47,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 108 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 45.4s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 mSolverCounterUnknown, 1218 SdHoareTripleChecker+Valid, 449.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 442 mSDsluCounter, 460 SdHoareTripleChecker+Invalid, 447.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 741 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2236 IncrementalHoareTripleChecker+Invalid, 3021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 741 mSolverCounterUnsat, 460 mSDtfsCounter, 2236 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2464 GetRequests, 2265 SyntacticMatches, 43 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10881 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 407/540 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((i == 0) && (j == 0)) || ((i == 0) && (1 <= j))) || (((1 <= i) && (i <= 2)) && (j == 0))) || (((1 <= i) && (i <= 2)) && (1 <= j))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 119.5MB. Free memory was 79.1MB in the beginning and 79.1MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.35ms. Allocated memory is still 165.7MB. Free memory was 132.5MB in the beginning and 106.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.47ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 101.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.03ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 97.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11605.19ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 97.8MB in the beginning and 142.0MB in the end (delta: -44.2MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 45869.17ms. Allocated memory is still 226.5MB. Free memory was 142.0MB in the beginning and 102.7MB in the end (delta: 39.3MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 223.94ms. Allocated memory is still 226.5MB. Free memory was 102.7MB in the beginning and 91.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:07:47,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50708a0-6fc7-4f7b-942e-d2379ce8c117/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE