./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 527bcce2 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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:39:00,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:00,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:00,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:00,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:00,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:00,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:00,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:00,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:00,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:00,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:00,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:00,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:00,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:00,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:00,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:00,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:00,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:00,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:00,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:00,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:00,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:00,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:00,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:00,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:00,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:00,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:00,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:00,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:00,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:00,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:00,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:00,701 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:00,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:00,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:00,703 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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-21 18:39:01,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:01,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:01,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:01,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:01,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:01,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-21 18:39:04,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:04,726 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:04,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-21 18:39:04,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/666016c57/8ce5a3e299a84f04aece5c33078d7875/FLAG26a8320ae [2023-11-21 18:39:04,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/666016c57/8ce5a3e299a84f04aece5c33078d7875 [2023-11-21 18:39:04,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:04,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:04,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:04,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:04,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:04,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:04" (1/1) ... [2023-11-21 18:39:04,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a80509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:04, skipping insertion in model container [2023-11-21 18:39:04,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:04" (1/1) ... [2023-11-21 18:39:04,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:05,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:05,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:05,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:05,211 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:05,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05 WrapperNode [2023-11-21 18:39:05,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:05,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:05,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:05,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:05,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,278 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-21 18:39:05,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:05,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:05,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:05,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:05,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:05,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:05,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:05,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:05,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:05" (1/1) ... [2023-11-21 18:39:05,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:05,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:05,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:05,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-21 18:39:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-21 18:39:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-21 18:39:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-21 18:39:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:05,530 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:05,534 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:06,054 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:06,273 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:06,274 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:06,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:06 BoogieIcfgContainer [2023-11-21 18:39:06,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:06,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:06,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:06,286 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:06,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:06" (1/1) ... [2023-11-21 18:39:06,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-21 18:39:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-21 18:39:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:06,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:06,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-11-21 18:39:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-11-21 18:39:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:06,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-11-21 18:39:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-11-21 18:39:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:06,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:39:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:39:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:06,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-11-21 18:39:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-11-21 18:39:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:07,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2023-11-21 18:39:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2023-11-21 18:39:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:07,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2023-11-21 18:39:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-11-21 18:39:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:07,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2023-11-21 18:39:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2023-11-21 18:39:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:39:07,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2023-11-21 18:39:07,444 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-11-21 18:39:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:07,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2023-11-21 18:39:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-11-21 18:39:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:07,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2023-11-21 18:39:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2023-11-21 18:39:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:39:07,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2023-11-21 18:39:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-21 18:39:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:39:07,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:07,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-11-21 18:39:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-11-21 18:39:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:08,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:08,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-11-21 18:39:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-21 18:39:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:08,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:08,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2023-11-21 18:39:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2023-11-21 18:39:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:08,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:08,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2023-11-21 18:39:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2023-11-21 18:39:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:09,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2023-11-21 18:39:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-21 18:39:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:09,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2023-11-21 18:39:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-11-21 18:39:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:09,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2023-11-21 18:39:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2023-11-21 18:39:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:09,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2023-11-21 18:39:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-11-21 18:39:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:09,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2023-11-21 18:39:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-11-21 18:39:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:09,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:09,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:39:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:09,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:39:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:09,874 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-11-21 18:39:09,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-11-21 18:39:09,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:09 ImpRootNode [2023-11-21 18:39:09,904 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:39:09,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:39:09,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:39:09,905 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:39:09,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:06" (3/4) ... [2023-11-21 18:39:09,908 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:39:09,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:39:09,910 INFO L158 Benchmark]: Toolchain (without parser) took 5147.09ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 70.7MB in the beginning and 140.2MB in the end (delta: -69.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:09,911 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:09,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.85ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 137.3MB in the end (delta: -66.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-21 18:39:09,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.79ms. Allocated memory is still 174.1MB. Free memory was 137.3MB in the beginning and 135.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:09,913 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:09,913 INFO L158 Benchmark]: RCFGBuilder took 953.41ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 95.4MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:39:09,914 INFO L158 Benchmark]: CodeCheck took 3626.63ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 95.4MB in the beginning and 140.2MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:09,914 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 209.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:09,918 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: 3.6s, 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, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 2.8s 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, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s 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=0, eb=0] [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=0, eb=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] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.85ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 137.3MB in the end (delta: -66.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.79ms. Allocated memory is still 174.1MB. Free memory was 137.3MB in the beginning and 135.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 953.41ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 95.4MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 3626.63ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 95.4MB in the beginning and 140.2MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 209.7MB. Free memory is still 140.2MB. 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 [2023-11-21 18:39:09,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:39:12,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:12,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:39:13,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:13,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:13,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:13,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:13,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:13,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:13,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:13,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:13,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:13,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:13,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:13,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:13,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:13,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:39:13,019 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:39:13,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:13,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:39:13,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:13,022 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:13,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:13,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:13,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:13,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:13,025 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:13,025 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:13,026 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:13,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:13,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:13,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:13,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:13,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:13,029 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:39:13,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:13,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:13,030 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:39:13,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:13,032 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_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-21 18:39:13,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:13,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:13,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:13,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:13,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:13,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-21 18:39:17,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:17,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:17,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-21 18:39:17,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/2a1851daf/0ec34587e7b840eea63db893e9bf8aa6/FLAG9005402fc [2023-11-21 18:39:17,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/data/2a1851daf/0ec34587e7b840eea63db893e9bf8aa6 [2023-11-21 18:39:17,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:17,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:17,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:17,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:17,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:17,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a37601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17, skipping insertion in model container [2023-11-21 18:39:17,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:18,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:18,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:18,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:18,225 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:18,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18 WrapperNode [2023-11-21 18:39:18,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:18,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:18,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:18,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:18,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,302 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-21 18:39:18,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:18,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:18,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:18,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:18,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:18,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:18,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:18,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:18,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:18,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:18,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:18,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:39:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-21 18:39:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-21 18:39:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-21 18:39:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-21 18:39:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:18,597 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:18,599 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:19,014 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:19,137 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:19,137 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:19,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:19 BoogieIcfgContainer [2023-11-21 18:39:19,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:19,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:19,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:19,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:19,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:19" (1/1) ... [2023-11-21 18:39:19,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-21 18:39:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-21 18:39:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:19,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:19,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:19,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:39:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,439 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:19,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-21 18:39:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-21 18:39:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:19,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:19,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:19,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:39:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-21 18:39:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-21 18:39:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:39:19,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:19,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:19,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:39:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:19,853 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:19,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-11-21 18:39:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-21 18:39:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:19,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:19,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:19,908 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:19,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:39:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:20,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-11-21 18:39:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-11-21 18:39:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:20,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:20,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:20,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:20,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:39:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:20,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-21 18:39:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-21 18:39:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:20,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:20,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:20,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:20,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:39:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:20,254 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:20,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-11-21 18:39:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-11-21 18:39:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:20,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:20,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:20,301 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:20,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:39:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:20,553 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:20,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-21 18:39:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-21 18:39:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:21,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:21,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:21,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:21,108 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:21,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-21 18:39:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:21,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:21,311 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:21,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-11-21 18:39:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-21 18:39:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:21,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:21,377 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-21 18:39:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:39:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:21,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:21,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-21 18:39:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-21 18:39:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-21 18:39:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:21,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:21,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:21,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:39:21,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:39:21,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-21 18:39:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:21,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:39:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:21,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:39:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:39:21,783 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:39:21,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-21 18:39:21,790 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-11-21 18:39:21,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-21 18:39:21,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:21 ImpRootNode [2023-11-21 18:39:21,821 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:39:21,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:39:21,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:39:21,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:39:21,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:19" (3/4) ... [2023-11-21 18:39:21,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:39:21,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-21 18:39:21,872 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:39:21,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:39:21,873 INFO L158 Benchmark]: Toolchain (without parser) took 4188.13ms. Allocated memory is still 96.5MB. Free memory was 73.4MB in the beginning and 62.8MB in the end (delta: 10.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-21 18:39:21,873 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:21,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.97ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 59.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:39:21,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.41ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 58.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:21,875 INFO L158 Benchmark]: Boogie Preprocessor took 51.71ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:21,875 INFO L158 Benchmark]: RCFGBuilder took 780.01ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 57.8MB in the end (delta: -1.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:21,876 INFO L158 Benchmark]: CodeCheck took 2678.23ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 64.8MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:21,876 INFO L158 Benchmark]: Witness Printer took 50.51ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:21,879 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: 2.6s, 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, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.6s 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, 0.7s 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 0.31ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.97ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 59.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.41ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 58.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.71ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.01ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 57.8MB in the end (delta: -1.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * CodeCheck took 2678.23ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 64.8MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.51ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 62.8MB 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! [2023-11-21 18:39:21,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d5a0b25-5242-436e-853b-1c7ae0fc4d3a/bin/ukojak-verify-i0I2FZA1j2/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)