./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3 --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 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:54:57,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:54:58,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:54:58,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:54:58,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:54:58,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:54:58,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:54:58,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:54:58,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:54:58,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:54:58,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:54:58,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:54:58,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:54:58,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:54:58,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:54:58,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:54:58,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:54:58,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:54:58,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:54:58,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:54:58,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:54:58,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:54:58,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:54:58,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:54:58,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:54:58,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:54:58,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:54:58,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:54:58,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:54:58,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:54:58,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:54:58,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:54:58,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:54:58,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:54:58,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:54:58,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2024-11-25 03:54:58,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:54:58,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:54:58,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:54:58,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:54:58,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:54:58,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-25 03:54:59,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/385dd8d39/f36b500a467b487a8a8b376bd0b7fe49/FLAG8557fdcb9 [2024-11-25 03:55:05,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:55:05,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-25 03:55:05,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/385dd8d39/f36b500a467b487a8a8b376bd0b7fe49/FLAG8557fdcb9 [2024-11-25 03:55:05,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/385dd8d39/f36b500a467b487a8a8b376bd0b7fe49 [2024-11-25 03:55:05,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:55:05,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:55:05,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:05,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:55:05,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:55:05,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:05" (1/1) ... [2024-11-25 03:55:05,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b22e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:05, skipping insertion in model container [2024-11-25 03:55:05,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:05" (1/1) ... [2024-11-25 03:55:05,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:55:06,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:06,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:55:06,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:06,192 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:55:06,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06 WrapperNode [2024-11-25 03:55:06,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:06,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:06,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:55:06,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:55:06,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,283 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 212 [2024-11-25 03:55:06,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:06,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:55:06,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:55:06,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:55:06,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:55:06,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:55:06,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:55:06,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:55:06,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:06,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:55:06,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:55:06,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:55:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:55:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:55:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 03:55:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 03:55:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:55:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:55:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:55:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:55:06,558 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:55:06,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:55:07,293 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-25 03:55:07,294 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:07,717 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:07,718 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:55:07,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:07 BoogieIcfgContainer [2024-11-25 03:55:07,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:07,719 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:07,719 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:07,734 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:07,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:07" (1/1) ... [2024-11-25 03:55:07,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-11-25 03:55:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-11-25 03:55:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:55:07,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:07,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 87 states and 111 transitions. [2024-11-25 03:55:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2024-11-25 03:55:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:55:08,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 90 states and 117 transitions. [2024-11-25 03:55:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2024-11-25 03:55:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:55:08,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2024-11-25 03:55:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2024-11-25 03:55:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:55:08,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2024-11-25 03:55:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2024-11-25 03:55:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:55:08,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2024-11-25 03:55:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2024-11-25 03:55:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:55:08,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 95 states and 122 transitions. [2024-11-25 03:55:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2024-11-25 03:55:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:55:09,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-11-25 03:55:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-25 03:55:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:55:09,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2024-11-25 03:55:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-11-25 03:55:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:55:09,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:55:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-11-25 03:55:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-25 03:55:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:55:09,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2024-11-25 03:55:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2024-11-25 03:55:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:55:09,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 133 transitions. [2024-11-25 03:55:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2024-11-25 03:55:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:10,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 145 transitions. [2024-11-25 03:55:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2024-11-25 03:55:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:10,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:10,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 109 states and 147 transitions. [2024-11-25 03:55:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2024-11-25 03:55:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:10,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:10,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 157 transitions. [2024-11-25 03:55:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2024-11-25 03:55:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:55:11,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 119 states and 164 transitions. [2024-11-25 03:55:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2024-11-25 03:55:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:55:12,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:12,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 118 states and 162 transitions. [2024-11-25 03:55:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-11-25 03:55:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:55:12,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 163 transitions. [2024-11-25 03:55:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2024-11-25 03:55:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:55:12,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 162 transitions. [2024-11-25 03:55:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2024-11-25 03:55:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:55:12,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:12,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 119 states and 161 transitions. [2024-11-25 03:55:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2024-11-25 03:55:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:55:12,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:13,003 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:13,099 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:13,147 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-25 03:55:13,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:55:13 ImpRootNode [2024-11-25 03:55:13,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:55:13,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:55:13,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:55:13,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:55:13,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:07" (3/4) ... [2024-11-25 03:55:13,187 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:55:13,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:55:13,190 INFO L158 Benchmark]: Toolchain (without parser) took 7443.90ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 104.3MB in the beginning and 151.9MB in the end (delta: -47.6MB). Peak memory consumption was 171.1MB. Max. memory is 16.1GB. [2024-11-25 03:55:13,190 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:13,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.32ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:55:13,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.86ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:13,192 INFO L158 Benchmark]: Boogie Preprocessor took 54.88ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 86.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:13,192 INFO L158 Benchmark]: RCFGBuilder took 1378.20ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 97.4MB in the end (delta: -11.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-11-25 03:55:13,193 INFO L158 Benchmark]: CodeCheck took 5462.66ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 97.4MB in the beginning and 151.9MB in the end (delta: -54.5MB). Peak memory consumption was 166.5MB. Max. memory is 16.1GB. [2024-11-25 03:55:13,193 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 360.7MB. Free memory was 151.9MB in the beginning and 151.9MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:13,196 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 3 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1289 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 784 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2105 IncrementalHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 339 mSDtfsCounter, 2105 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1904 SyntacticMatches, 25 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; VAL [ea=0, eb=0] [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] EXPR m & ~ (1U << 24U) [L80] m = m & ~ (1U << 24U) [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.32ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.86ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.88ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 86.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1378.20ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 97.4MB in the end (delta: -11.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * CodeCheck took 5462.66ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 97.4MB in the beginning and 151.9MB in the end (delta: -54.5MB). Peak memory consumption was 166.5MB. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 360.7MB. Free memory was 151.9MB in the beginning and 151.9MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:55:13,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3 --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 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:55:16,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:55:16,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 03:55:16,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:55:16,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:55:16,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:55:16,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:55:16,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:55:16,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:55:16,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:55:16,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:55:16,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:55:16,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:55:16,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:55:16,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:55:16,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:55:16,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:55:16,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:55:16,969 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:55:16,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:55:16,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:55:16,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:55:16,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:55:16,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:16,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:55:16,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:55:16,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:16,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:55:16,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:55:16,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:55:16,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:55:16,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:16,972 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:55:16,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2024-11-25 03:55:17,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:55:17,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:55:17,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:55:17,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:55:17,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:55:17,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-25 03:55:21,336 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/924899f3c/647915af899a4de78dc4cd80d739dfea/FLAG7455b73e9 [2024-11-25 03:55:21,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:55:21,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-25 03:55:21,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/924899f3c/647915af899a4de78dc4cd80d739dfea/FLAG7455b73e9 [2024-11-25 03:55:21,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/data/924899f3c/647915af899a4de78dc4cd80d739dfea [2024-11-25 03:55:21,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:55:21,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:55:21,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:21,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:55:21,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:55:21,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:21" (1/1) ... [2024-11-25 03:55:21,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7798fd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:21, skipping insertion in model container [2024-11-25 03:55:21,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:21" (1/1) ... [2024-11-25 03:55:22,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:55:22,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:22,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:55:22,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:22,510 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:55:22,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22 WrapperNode [2024-11-25 03:55:22,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:22,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:22,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:55:22,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:55:22,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,565 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2024-11-25 03:55:22,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:22,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:55:22,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:55:22,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:55:22,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:55:22,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:55:22,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:55:22,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:55:22,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:22" (1/1) ... [2024-11-25 03:55:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:55:22,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:55:22,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:55:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:55:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:55:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 03:55:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 03:55:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:55:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:55:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:55:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:55:22,822 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:55:22,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:55:23,373 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-25 03:55:23,373 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:23,629 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:23,629 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:55:23,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:23 BoogieIcfgContainer [2024-11-25 03:55:23,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:23,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:23,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:23,645 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:23,646 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:23" (1/1) ... [2024-11-25 03:55:23,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-11-25 03:55:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-11-25 03:55:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:55:23,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:23,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:23,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:23,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:23,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:55:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:23,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:23,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:55:23,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:23,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 104 transitions. [2024-11-25 03:55:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2024-11-25 03:55:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:55:24,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:24,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:24,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:24,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:24,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:55:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:55:24,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:24,312 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:55:24,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:55:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 83 states and 103 transitions. [2024-11-25 03:55:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2024-11-25 03:55:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:24,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:24,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:24,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:24,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:24,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:55:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:55:24,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:24,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:55:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-11-25 03:55:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-11-25 03:55:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:24,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:24,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:24,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:24,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:24,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:55:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:55:24,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:24,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:55:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2024-11-25 03:55:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2024-11-25 03:55:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:55:24,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:24,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:24,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:24,686 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:24,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:55:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:55:24,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:24,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:24,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:55:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2024-11-25 03:55:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2024-11-25 03:55:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:55:24,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:24,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:24,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:24,844 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:24,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:55:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:24,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:55:24,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:25,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:55:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2024-11-25 03:55:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-11-25 03:55:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:55:25,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:25,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:25,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:25,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:55:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:25,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:25,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:55:25,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:26,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:55:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2024-11-25 03:55:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-11-25 03:55:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:55:26,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:26,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:26,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:26,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:26,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:55:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:26,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:26,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:55:26,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:26,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:55:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2024-11-25 03:55:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-11-25 03:55:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:55:26,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:26,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:26,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:26,442 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:26,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:55:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:26,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:26,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:55:26,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:55:26,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2024-11-25 03:55:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-11-25 03:55:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:55:26,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:26,736 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:26,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:55:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:26,856 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:26,960 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:26,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:55:26,997 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-25 03:55:27,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:55:27 ImpRootNode [2024-11-25 03:55:27,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:55:27,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:55:27,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:55:27,034 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:55:27,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:23" (3/4) ... [2024-11-25 03:55:27,036 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:55:27,096 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 03:55:27,183 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:55:27,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:55:27,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:55:27,189 INFO L158 Benchmark]: Toolchain (without parser) took 5211.69ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 42.8MB in the end (delta: 48.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-25 03:55:27,189 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:27,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.39ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:55:27,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:27,190 INFO L158 Benchmark]: Boogie Preprocessor took 60.54ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:27,190 INFO L158 Benchmark]: RCFGBuilder took 1001.90ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 91.0MB in the end (delta: -17.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-25 03:55:27,191 INFO L158 Benchmark]: CodeCheck took 3401.49ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 47.9MB in the end (delta: 43.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-25 03:55:27,191 INFO L158 Benchmark]: Witness Printer took 150.36ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 42.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:55:27,193 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 3 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 205 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 979 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 116 ConstructedInterpolants, 15 QuantifiedInterpolants, 193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 16/16 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.39ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.54ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1001.90ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 91.0MB in the end (delta: -17.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * CodeCheck took 3401.49ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 47.9MB in the end (delta: 43.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 150.36ms. Allocated memory is still 117.4MB. Free memory was 47.9MB in the beginning and 42.8MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:55:27,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d3a6bc-6bcc-4274-baa7-b45c18287499/bin/ukojak-verify-ENZ3QT5qd3/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)