./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi --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 bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:37,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:37,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:51:37,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:37,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:37,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:37,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:37,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:37,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:37,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:37,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:37,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:37,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:37,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:37,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:37,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:37,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:37,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:37,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:37,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:37,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:37,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:37,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:37,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:37,448 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:37,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:37,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:37,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:37,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:37,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:37,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:37,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:37,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:37,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:37,454 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_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-24 22:51:37,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:37,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:37,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:37,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:37,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:37,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-24 22:51:41,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:41,287 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:41,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-24 22:51:41,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/7c7f148cc/cd3813037a3d4071871f923c4006cbf7/FLAG594ab4e17 [2023-11-24 22:51:41,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/7c7f148cc/cd3813037a3d4071871f923c4006cbf7 [2023-11-24 22:51:41,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:41,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:41,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:41,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:41,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:41,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513813af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41, skipping insertion in model container [2023-11-24 22:51:41,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:41,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:41,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:41,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:41,864 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:41,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41 WrapperNode [2023-11-24 22:51:41,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:41,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:41,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:41,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:41,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,911 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-24 22:51:41,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:41,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:41,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:41,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:41,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:41,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:41,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:41,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:41,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:41,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:42,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:42,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:51:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:51:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:51:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:51:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:51:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:51:42,185 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:42,188 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:42,901 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:43,125 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:43,126 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:43,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:43 BoogieIcfgContainer [2023-11-24 22:51:43,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:43,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:43,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:43,144 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:43,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:43" (1/1) ... [2023-11-24 22:51:43,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-24 22:51:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-24 22:51:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:43,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-11-24 22:51:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-11-24 22:51:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:43,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-11-24 22:51:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-11-24 22:51:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:43,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-24 22:51:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-24 22:51:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:44,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-11-24 22:51:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-11-24 22:51:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:44,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2023-11-24 22:51:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2023-11-24 22:51:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:44,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2023-11-24 22:51:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-11-24 22:51:44,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:44,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2023-11-24 22:51:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2023-11-24 22:51:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:51:44,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2023-11-24 22:51:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-11-24 22:51:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:44,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2023-11-24 22:51:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-11-24 22:51:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:44,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2023-11-24 22:51:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2023-11-24 22:51:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:44,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2023-11-24 22:51:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-24 22:51:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:51:44,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-11-24 22:51:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-11-24 22:51:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:45,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-11-24 22:51:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-24 22:51:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:45,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2023-11-24 22:51:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2023-11-24 22:51:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:45,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2023-11-24 22:51:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2023-11-24 22:51:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:46,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2023-11-24 22:51:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-24 22:51:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:46,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2023-11-24 22:51:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-11-24 22:51:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:46,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2023-11-24 22:51:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2023-11-24 22:51:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:47,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:47,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2023-11-24 22:51:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-11-24 22:51:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:47,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2023-11-24 22:51:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-11-24 22:51:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:51:47,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:47,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:47,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:47,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:47,243 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-11-24 22:51:47,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-11-24 22:51:47,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:47 ImpRootNode [2023-11-24 22:51:47,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:47,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:47,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:47,280 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:47,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:43" (3/4) ... [2023-11-24 22:51:47,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:47,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:47,286 INFO L158 Benchmark]: Toolchain (without parser) took 5945.64ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 51.6MB in the end (delta: 67.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-24 22:51:47,286 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:47,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.28ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 105.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:47,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:47,289 INFO L158 Benchmark]: Boogie Preprocessor took 54.28ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:47,289 INFO L158 Benchmark]: RCFGBuilder took 1160.72ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 63.3MB in the end (delta: 39.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:47,290 INFO L158 Benchmark]: CodeCheck took 4148.57ms. Allocated memory is still 157.3MB. Free memory was 63.3MB in the beginning and 51.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-24 22:51:47,291 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 157.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:47,295 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 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 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 - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=127, eb=127] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) VAL [ea=127, eb=127] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] [L77] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.28ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 105.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.28ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.72ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 63.3MB in the end (delta: 39.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 4148.57ms. Allocated memory is still 157.3MB. Free memory was 63.3MB in the beginning and 51.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 157.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:51:47,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi --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 bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:50,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:50,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:51:50,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:50,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:50,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:50,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:50,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:50,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:50,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:50,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:50,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:50,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:50,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:50,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:50,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:50,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:50,804 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:50,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:50,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:50,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:50,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:50,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:50,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:50,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:50,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:50,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:50,811 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:50,811 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:50,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:50,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:50,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:50,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:50,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:50,815 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:50,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:50,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:50,816 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:50,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:50,818 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_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-24 22:51:51,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:51,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:51,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:51,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:51,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:51,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-24 22:51:55,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:55,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:55,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-24 22:51:55,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/ea65cd32a/a06b51a671c94cc387fbfe7765efeec6/FLAGab3396856 [2023-11-24 22:51:55,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/data/ea65cd32a/a06b51a671c94cc387fbfe7765efeec6 [2023-11-24 22:51:55,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:55,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:55,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:55,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:55,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:55,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cf67a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55, skipping insertion in model container [2023-11-24 22:51:55,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:55,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:55,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:55,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:55,799 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:55,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55 WrapperNode [2023-11-24 22:51:55,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:55,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:55,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:55,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:55,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,855 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-24 22:51:55,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:55,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:55,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:55,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:55,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:55,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:55,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:55,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:55,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:55" (1/1) ... [2023-11-24 22:51:55,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:55,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:55,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:51:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:51:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:51:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:51:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:51:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:51:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:51:56,163 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:56,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:56,677 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:56,826 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:56,826 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:56,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:56 BoogieIcfgContainer [2023-11-24 22:51:56,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:56,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:56,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:56,843 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:56,843 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:56" (1/1) ... [2023-11-24 22:51:56,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-24 22:51:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-24 22:51:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:56,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:56,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:56,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:56,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:57,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:57,119 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:57,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-24 22:51:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-24 22:51:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:57,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:57,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:57,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:51:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:57,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:57,302 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:57,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-24 22:51:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-24 22:51:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:57,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:57,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:57,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:57,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:51:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:57,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:57,560 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:57,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-11-24 22:51:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-24 22:51:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:57,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:57,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:57,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:57,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:51:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:57,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:57,755 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:57,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 22:51:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-11-24 22:51:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-11-24 22:51:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:57,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:57,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:57,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:51:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:57,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:57,892 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:57,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-24 22:51:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-24 22:51:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-24 22:51:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:57,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:57,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:57,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 22:51:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:57,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:58,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:58,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:58,048 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:58,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-11-24 22:51:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-11-24 22:51:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:58,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:58,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:58,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:58,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 22:51:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:58,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:58,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:58,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:58,362 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:58,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-24 22:51:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-24 22:51:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:59,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:59,070 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:59,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 22:51:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:59,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:59,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:59,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:59,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-24 22:51:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-11-24 22:51:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-24 22:51:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:59,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:59,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:59,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 22:51:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:59,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:59,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:51:59,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:59,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-24 22:51:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-24 22:51:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:51:59,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:59,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:59,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:59,630 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:59,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 22:51:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:59,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:59,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:59,889 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:59,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:59,907 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-11-24 22:51:59,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-24 22:51:59,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:59 ImpRootNode [2023-11-24 22:51:59,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:59,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:59,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:59,958 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:59,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:56" (3/4) ... [2023-11-24 22:51:59,961 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:51:59,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-24 22:52:00,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:00,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:00,027 INFO L158 Benchmark]: Toolchain (without parser) took 4654.88ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 37.6MB in the end (delta: 32.4MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,028 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:00,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.90ms. Allocated memory is still 94.4MB. Free memory was 69.8MB in the beginning and 56.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 54.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,030 INFO L158 Benchmark]: Boogie Preprocessor took 47.21ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 52.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:00,031 INFO L158 Benchmark]: RCFGBuilder took 912.21ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 56.3MB in the end (delta: -3.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,031 INFO L158 Benchmark]: CodeCheck took 3127.02ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 39.7MB in the end (delta: 16.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,032 INFO L158 Benchmark]: Witness Printer took 68.40ms. Allocated memory is still 94.4MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:00,035 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 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 277 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 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 - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.90ms. Allocated memory is still 94.4MB. Free memory was 69.8MB in the beginning and 56.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 54.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.21ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 52.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 912.21ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 56.3MB in the end (delta: -3.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 3127.02ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 39.7MB in the end (delta: 16.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 68.40ms. Allocated memory is still 94.4MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:52:00,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5d367-4d9b-4d56-a6e4-c879adc40682/bin/ukojak-verify-afCqCEvfdi/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)