./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:05,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:05,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:05,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:05,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:05,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:05,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:05,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:05,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:05,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:05,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:05,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:05,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:05,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:05,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:05,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:05,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:05,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:05,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:05,615 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:05,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:05,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:05,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:05,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:05,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:05,619 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:05,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:05,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:05,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:05,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:05,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:05,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:05,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:05,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:05,625 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_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2023-11-11 23:55:05,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:05,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:05,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:05,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:05,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:05,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2023-11-11 23:55:09,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:09,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:09,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/sv-benchmarks/c/bitvector/num_conversion_1.c [2023-11-11 23:55:09,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/ac017373e/e332a1c6ae5248d4ab7c174ee9c55d54/FLAGb60005f17 [2023-11-11 23:55:09,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/ac017373e/e332a1c6ae5248d4ab7c174ee9c55d54 [2023-11-11 23:55:09,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:09,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:09,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:09,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:09,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:09,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162ff697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09, skipping insertion in model container [2023-11-11 23:55:09,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:09,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:09,720 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:09,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:09,755 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:09,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09 WrapperNode [2023-11-11 23:55:09,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:09,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:09,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:09,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:09,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,815 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-11 23:55:09,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:09,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:09,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:09,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:09,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:09,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:09,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:09,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:09,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:09" (1/1) ... [2023-11-11 23:55:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:09,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:09,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:09,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:10,002 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:10,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:10,182 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:10,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:10,324 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:10,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:10 BoogieIcfgContainer [2023-11-11 23:55:10,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:10,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:10,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:10,336 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:10,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:10" (1/1) ... [2023-11-11 23:55:10,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-11 23:55:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-11 23:55:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:55:10,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:10,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-11 23:55:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-11 23:55:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:10,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:10,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-11 23:55:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-11 23:55:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:10,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:10,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2023-11-11 23:55:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-11-11 23:55:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:11,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:11,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-11-11 23:55:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-11 23:55:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:11,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:11,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-11 23:55:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-11 23:55:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:11,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-11 23:55:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-11 23:55:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:11,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-11 23:55:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-11 23:55:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:55:11,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:11,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:11,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:11,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:11,413 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-11-11 23:55:11,443 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-11 23:55:11,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:11 ImpRootNode [2023-11-11 23:55:11,451 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:11,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:11,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:11,452 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:11,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:10" (3/4) ... [2023-11-11 23:55:11,457 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:55:11,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:11,460 INFO L158 Benchmark]: Toolchain (without parser) took 2017.47ms. Allocated memory is still 180.4MB. Free memory was 133.6MB in the beginning and 128.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:11,460 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 134.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:11,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.22ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:11,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 121.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:11,462 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:11,463 INFO L158 Benchmark]: RCFGBuilder took 482.47ms. Allocated memory is still 180.4MB. Free memory was 119.7MB in the beginning and 103.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:11,463 INFO L158 Benchmark]: CodeCheck took 1122.87ms. Allocated memory is still 180.4MB. Free memory was 103.8MB in the beginning and 129.6MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:11,464 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 180.4MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:11,467 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 1 procedures, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 32 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 32, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L24] unsigned char x; [L25] unsigned char y; [L26] unsigned char c; [L28] x = 37 [L29] y = 0 [L30] c = 0 VAL [c=0, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=0, x=37, y=0] [L32] EXPR ((unsigned char)1) << c [L32] unsigned char i = ((unsigned char)1) << c; [L33] EXPR x & i [L33] unsigned char bit = x & i; [L34] COND FALSE, EXPR !(bit != (unsigned char)0) VAL [bit=0, c=0, i=1, x=37, y=0] [L37] EXPR c + ((unsigned char)1) [L37] EXPR c = c + ((unsigned char)1) [L31-L38] { unsigned char i = ((unsigned char)1) << c; unsigned char bit = x & i; if (bit != (unsigned char)0) { y = y + i; } c = c + ((unsigned char)1); } VAL [c=1, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=1, x=37, y=0] [L32] ((unsigned char)1) << c VAL [c=1, x=37, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 134.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.22ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.01ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 121.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.47ms. Allocated memory is still 180.4MB. Free memory was 119.7MB in the beginning and 103.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1122.87ms. Allocated memory is still 180.4MB. Free memory was 103.8MB in the beginning and 129.6MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.80ms. Allocated memory is still 180.4MB. Free memory is still 128.6MB. 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~nondet4 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 [2023-11-11 23:55:11,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:14,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:14,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:14,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:14,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:14,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:14,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:14,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:14,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:14,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:14,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:14,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:14,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:14,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:14,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:14,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:14,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:14,373 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:14,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:14,374 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:14,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:14,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:14,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:14,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:14,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:14,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:14,377 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:14,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:14,378 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:14,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:14,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:14,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:14,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:14,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:14,382 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:14,382 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:14,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:14,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:14,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:14,384 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_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2023-11-11 23:55:14,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:14,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:14,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:14,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:14,860 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:14,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2023-11-11 23:55:18,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:18,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:18,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/sv-benchmarks/c/bitvector/num_conversion_1.c [2023-11-11 23:55:18,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/87113c914/861a16b2cafd4269acce6bc332266d6d/FLAG7507fac6e [2023-11-11 23:55:18,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/data/87113c914/861a16b2cafd4269acce6bc332266d6d [2023-11-11 23:55:18,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:18,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:18,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:18,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:18,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:18,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37bdf5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18, skipping insertion in model container [2023-11-11 23:55:18,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:18,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:18,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:18,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:18,714 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:18,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18 WrapperNode [2023-11-11 23:55:18,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:18,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:18,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:18,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:18,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,775 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-11 23:55:18,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:18,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:18,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:18,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:18,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:18,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:18,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:18,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:18,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:18" (1/1) ... [2023-11-11 23:55:18,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:18,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:18,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:18,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:19,045 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:19,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:19,248 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:19,311 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:19,311 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:19,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:19 BoogieIcfgContainer [2023-11-11 23:55:19,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:19,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:19,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:19,329 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:19,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:19" (1/1) ... [2023-11-11 23:55:19,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-11 23:55:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-11 23:55:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:55:19,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:19,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:19,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:19,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:55:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,519 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:55:19,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:19,604 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:55:19,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-11 23:55:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-11 23:55:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:19,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:19,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:19,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:19,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:19,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:55:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,719 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:55:19,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:19,744 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:55:19,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-11 23:55:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-11 23:55:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:19,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:19,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:19,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:19,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:19,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:55:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,826 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:55:19,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:19,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:19,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-11 23:55:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-11 23:55:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:19,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:19,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:19,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:19,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:19,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:55:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,938 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:19,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:19,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:19,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:55:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:55:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:19,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:19,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:19,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:19,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:19,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:55:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,021 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:20,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:20,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-11 23:55:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-11 23:55:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:20,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:20,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:20,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:20,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-11 23:55:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,100 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:20,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:20,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-11 23:55:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:55:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:55:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:20,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:20,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-11 23:55:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,198 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:55:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:20,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:20,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2023-11-11 23:55:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-11-11 23:55:20,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:55:20,224 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-11 23:55:20,233 INFO L753 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2023-11-11 23:55:20,247 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:20,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:20 ImpRootNode [2023-11-11 23:55:20,251 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:20,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:20,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:20,252 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:20,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:19" (3/4) ... [2023-11-11 23:55:20,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:55:20,262 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-11 23:55:20,263 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:55:20,263 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:55:20,264 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:55:20,364 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:55:20,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:55:20,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:20,366 INFO L158 Benchmark]: Toolchain (without parser) took 1952.88ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 43.0MB in the beginning and 53.7MB in the end (delta: -10.7MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,366 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:20,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.07ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 32.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.2MB in the beginning and 73.8MB in the end (delta: -41.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,368 INFO L158 Benchmark]: Boogie Preprocessor took 86.78ms. Allocated memory is still 94.4MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,368 INFO L158 Benchmark]: RCFGBuilder took 452.51ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 60.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,369 INFO L158 Benchmark]: CodeCheck took 931.89ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,369 INFO L158 Benchmark]: Witness Printer took 113.71ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 53.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:20,372 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 1 procedures, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 32 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.07ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 32.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.2MB in the beginning and 73.8MB in the end (delta: -41.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.78ms. Allocated memory is still 94.4MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.51ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 60.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 931.89ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 113.71ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 53.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:55:20,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529ab067-c939-4ad7-ab2c-f56a2111607f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE