./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9 --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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:39:50,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:39:50,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:39:50,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:39:50,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:39:50,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:39:50,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:39:50,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:39:50,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:39:50,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:39:50,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:39:50,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:39:50,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:39:50,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:39:50,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:39:50,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:39:50,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:39:50,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:39:50,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:39:50,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:39:50,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:39:50,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:39:50,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:39:50,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:39:50,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:39:50,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:39:50,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:39:50,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:39:50,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:50,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:39:50,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:39:50,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:39:50,435 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:39:50,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:39:50,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:39:50,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2023-12-02 23:39:50,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:39:50,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:39:50,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:39:50,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:39:50,698 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:39:50,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2023-12-02 23:39:53,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:39:53,694 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:39:53,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2023-12-02 23:39:53,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/c60083696/d79ae559ad95432c842f7493e2228c65/FLAG45313b4f2 [2023-12-02 23:39:53,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/c60083696/d79ae559ad95432c842f7493e2228c65 [2023-12-02 23:39:53,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:39:53,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:39:53,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:53,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:39:53,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:39:53,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:53" (1/1) ... [2023-12-02 23:39:53,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3136347e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:53, skipping insertion in model container [2023-12-02 23:39:53,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:53" (1/1) ... [2023-12-02 23:39:53,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:39:53,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:53,963 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:39:54,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:39:54,016 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:39:54,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54 WrapperNode [2023-12-02 23:39:54,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:39:54,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:54,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:39:54,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:39:54,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,061 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 159 [2023-12-02 23:39:54,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:39:54,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:39:54,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:39:54,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:39:54,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:39:54,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:39:54,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:39:54,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:39:54,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:39:54,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:39:54,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:39:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:39:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:39:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:39:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:39:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:39:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:39:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 23:39:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 23:39:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:39:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:39:54,235 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:39:54,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:39:54,570 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:39:54,732 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:39:54,732 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:39:54,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:54 BoogieIcfgContainer [2023-12-02 23:39:54,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:39:54,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:39:54,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:39:54,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:39:54,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:54" (1/1) ... [2023-12-02 23:39:54,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:39:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-12-02 23:39:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-12-02 23:39:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:39:54,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2023-12-02 23:39:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2023-12-02 23:39:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:39:54,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2023-12-02 23:39:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2023-12-02 23:39:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:39:55,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2023-12-02 23:39:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2023-12-02 23:39:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:39:55,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-12-02 23:39:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-12-02 23:39:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:39:55,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2023-12-02 23:39:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2023-12-02 23:39:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:39:55,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2023-12-02 23:39:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2023-12-02 23:39:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:39:55,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2023-12-02 23:39:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2023-12-02 23:39:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:39:55,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2023-12-02 23:39:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-12-02 23:39:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:39:55,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 99 states and 121 transitions. [2023-12-02 23:39:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2023-12-02 23:39:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:39:55,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions. [2023-12-02 23:39:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2023-12-02 23:39:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:39:55,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:39:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 126 transitions. [2023-12-02 23:39:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2023-12-02 23:39:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:39:55,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 103 states and 130 transitions. [2023-12-02 23:39:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2023-12-02 23:39:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:39:56,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 142 transitions. [2023-12-02 23:39:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2023-12-02 23:39:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:39:56,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:56,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-12-02 23:39:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-12-02 23:39:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:39:56,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 119 states and 156 transitions. [2023-12-02 23:39:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2023-12-02 23:39:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:39:56,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:39:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 155 transitions. [2023-12-02 23:39:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 155 transitions. [2023-12-02 23:39:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:39:57,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 162 transitions. [2023-12-02 23:39:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 162 transitions. [2023-12-02 23:39:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:39:57,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 125 states and 163 transitions. [2023-12-02 23:39:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 163 transitions. [2023-12-02 23:39:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:39:57,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:39:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 124 states and 162 transitions. [2023-12-02 23:39:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2023-12-02 23:39:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:39:57,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:39:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 124 states and 161 transitions. [2023-12-02 23:39:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2023-12-02 23:39:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:39:57,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:57,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:39:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:57,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:39:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:39:57,455 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-12-02 23:39:57,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-12-02 23:39:57,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:39:57 ImpRootNode [2023-12-02 23:39:57,485 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:39:57,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:39:57,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:39:57,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:39:57,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:54" (3/4) ... [2023-12-02 23:39:57,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:39:57,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:39:57,490 INFO L158 Benchmark]: Toolchain (without parser) took 3766.03ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 101.4MB in the beginning and 121.0MB in the end (delta: -19.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,490 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:39:57,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.24ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 87.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.09ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,492 INFO L158 Benchmark]: Boogie Preprocessor took 32.05ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,493 INFO L158 Benchmark]: RCFGBuilder took 638.54ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 84.1MB in the beginning and 163.1MB in the end (delta: -78.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,493 INFO L158 Benchmark]: CodeCheck took 2749.99ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 121.0MB in the end (delta: 42.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-02 23:39:57,494 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 197.1MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:39:57,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; VAL [ea=0, eb=0] [L245] 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, m=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L245] zero = base2flt(0, 0) [L246] 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] [L61] COND TRUE 1 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, e=0, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.24ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 87.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.09ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.05ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.54ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 84.1MB in the beginning and 163.1MB in the end (delta: -78.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * CodeCheck took 2749.99ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 121.0MB in the end (delta: 42.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 197.1MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:39:57,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9 --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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:39:59,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:39:59,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:39:59,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:39:59,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:39:59,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:39:59,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:39:59,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:39:59,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:39:59,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:39:59,580 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:39:59,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:39:59,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:39:59,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:39:59,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:39:59,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:39:59,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:39:59,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:39:59,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:39:59,585 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:39:59,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:39:59,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:39:59,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:39:59,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:39:59,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:39:59,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:39:59,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:39:59,589 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:59,590 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:39:59,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:39:59,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:39:59,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:39:59,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:39:59,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:39:59,592 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:39:59,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:59,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:39:59,593 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:39:59,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:39:59,594 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2023-12-02 23:39:59,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:39:59,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:39:59,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:39:59,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:39:59,884 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:39:59,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2023-12-02 23:40:02,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:40:02,975 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:40:02,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2023-12-02 23:40:02,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/689f3c734/039f41338c4343cfbb8c3a8b652b2fe6/FLAGf99ed8197 [2023-12-02 23:40:02,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/data/689f3c734/039f41338c4343cfbb8c3a8b652b2fe6 [2023-12-02 23:40:02,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:40:03,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:40:03,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:03,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:40:03,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:40:03,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:02" (1/1) ... [2023-12-02 23:40:03,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69700583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03, skipping insertion in model container [2023-12-02 23:40:03,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:02" (1/1) ... [2023-12-02 23:40:03,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:40:03,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:03,229 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:40:03,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:03,288 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:40:03,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03 WrapperNode [2023-12-02 23:40:03,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:03,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:03,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:40:03,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:40:03,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,331 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-12-02 23:40:03,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:03,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:40:03,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:40:03,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:40:03,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:40:03,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:40:03,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:40:03,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:40:03,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:40:03,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:40:03,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:40:03,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:40:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:40:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:40:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:40:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:40:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:40:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:40:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-02 23:40:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-02 23:40:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:40:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:40:03,506 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:40:03,508 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:40:03,808 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:40:03,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:40:03,861 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:40:03,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:03 BoogieIcfgContainer [2023-12-02 23:40:03,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:40:03,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:40:03,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:40:03,872 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:40:03,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:03" (1/1) ... [2023-12-02 23:40:03,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:40:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-12-02 23:40:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-12-02 23:40:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:40:03,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:03,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:03,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:03,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:40:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:04,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 23:40:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 23:40:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:40:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:40:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:04,179 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:04,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:40:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-12-02 23:40:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-12-02 23:40:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:40:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:40:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:40:04,340 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:04,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:40:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2023-12-02 23:40:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2023-12-02 23:40:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:40:04,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:40:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:40:04,459 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:04,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2023-12-02 23:40:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2023-12-02 23:40:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:40:04,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:40:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:40:04,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:40:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2023-12-02 23:40:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-12-02 23:40:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:40:04,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:40:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:40:04,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:40:04,667 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2023-12-02 23:40:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2023-12-02 23:40:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:40:04,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:40:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:04,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:40:04,904 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2023-12-02 23:40:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2023-12-02 23:40:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:40:05,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:05,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:05,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:05,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:05,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:40:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:05,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:05,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 103 transitions. [2023-12-02 23:40:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2023-12-02 23:40:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:40:05,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:05,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:05,531 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:05,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:40:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:05,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:40:05,655 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:05,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2023-12-02 23:40:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2023-12-02 23:40:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:40:05,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:05,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:05,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:05,716 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:05,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:40:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:40:05,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:40:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:40:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:40:05,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:40:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:40:05,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:40:05,841 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:40:05,841 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-12-02 23:40:05,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-02 23:40:05,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:40:05 ImpRootNode [2023-12-02 23:40:05,869 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:40:05,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:40:05,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:40:05,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:40:05,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:03" (3/4) ... [2023-12-02 23:40:05,871 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 23:40:05,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-02 23:40:05,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:40:05,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:40:05,916 INFO L158 Benchmark]: Toolchain (without parser) took 2915.28ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 73.8MB in the end (delta: 10.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-02 23:40:05,916 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:40:05,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.19ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 69.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:40:05,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.70ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:40:05,918 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 66.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:40:05,918 INFO L158 Benchmark]: RCFGBuilder took 496.81ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 71.5MB in the end (delta: -5.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-12-02 23:40:05,918 INFO L158 Benchmark]: CodeCheck took 2005.49ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 75.9MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:40:05,919 INFO L158 Benchmark]: Witness Printer took 45.60ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:40:05,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 277 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 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_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; [L245] 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, m=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) [L245] zero = base2flt(0, 0) [L246] 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] [L61] COND TRUE 1 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, e=0, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.19ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 69.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.70ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 66.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.81ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 71.5MB in the end (delta: -5.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 2005.49ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 75.9MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.60ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 73.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 23:40:05,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453966cb-8617-4079-b3e8-e8dfeac90135/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)