./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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_78ecfbb9-803b-4292-bca6-5988e44d9635/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 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:45:21,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:45:21,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:45:21,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:45:21,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:45:21,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:45:21,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:45:21,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:45:21,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:45:21,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:45:21,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:45:21,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:45:21,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:45:21,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:45:21,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:45:21,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:45:21,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:45:21,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:45:21,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:45:21,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:45:21,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:45:21,387 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:45:21,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:45:21,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:45:21,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:45:21,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:45:21,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:45:21,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:45:21,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:21,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:45:21,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:45:21,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:45:21,392 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:45:21,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:45:21,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:45:21,393 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_78ecfbb9-803b-4292-bca6-5988e44d9635/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2023-12-03 03:45:21,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:45:21,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:45:21,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:45:21,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:45:21,619 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:45:21,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2023-12-03 03:45:24,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:45:24,568 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:45:24,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2023-12-03 03:45:24,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/eb3efafcd/07214ac20eb94b3d9ba2085903b3291c/FLAG35b10210c [2023-12-03 03:45:24,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/eb3efafcd/07214ac20eb94b3d9ba2085903b3291c [2023-12-03 03:45:24,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:45:24,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:45:24,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:24,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:45:24,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:45:24,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331846d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24, skipping insertion in model container [2023-12-03 03:45:24,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:24,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:24,831 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:45:24,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:24,881 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:45:24,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24 WrapperNode [2023-12-03 03:45:24,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:24,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:24,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:45:24,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:45:24,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,929 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 209 [2023-12-03 03:45:24,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:24,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:45:24,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:45:24,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:45:24,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:45:24,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:45:24,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:45:24,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:45:24,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:24" (1/1) ... [2023-12-03 03:45:24,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:24,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:45:24,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:45:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:45:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:45:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:45:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:45:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:45:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:45:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:45:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:45:25,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:45:25,094 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:45:25,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:45:25,484 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:45:25,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:45:25,675 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:45:25,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:25 BoogieIcfgContainer [2023-12-03 03:45:25,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:45:25,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:45:25,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:45:25,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:45:25,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:25" (1/1) ... [2023-12-03 03:45:25,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:45:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2023-12-03 03:45:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-12-03 03:45:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:45:25,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2023-12-03 03:45:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2023-12-03 03:45:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:45:25,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 90 states and 114 transitions. [2023-12-03 03:45:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2023-12-03 03:45:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:45:26,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2023-12-03 03:45:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2023-12-03 03:45:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:45:26,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2023-12-03 03:45:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2023-12-03 03:45:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:45:26,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2023-12-03 03:45:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-12-03 03:45:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:45:26,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 125 transitions. [2023-12-03 03:45:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2023-12-03 03:45:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:45:26,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 99 states and 126 transitions. [2023-12-03 03:45:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2023-12-03 03:45:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:45:26,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2023-12-03 03:45:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2023-12-03 03:45:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:45:26,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 101 states and 128 transitions. [2023-12-03 03:45:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2023-12-03 03:45:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:45:26,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2023-12-03 03:45:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2023-12-03 03:45:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:45:26,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 103 states and 133 transitions. [2023-12-03 03:45:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2023-12-03 03:45:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:45:26,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 105 states and 137 transitions. [2023-12-03 03:45:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2023-12-03 03:45:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:45:26,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 149 transitions. [2023-12-03 03:45:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2023-12-03 03:45:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:45:27,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:27,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 152 transitions. [2023-12-03 03:45:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2023-12-03 03:45:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:45:27,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:27,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 163 transitions. [2023-12-03 03:45:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2023-12-03 03:45:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:45:27,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:27,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 120 states and 162 transitions. [2023-12-03 03:45:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2023-12-03 03:45:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:45:27,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 169 transitions. [2023-12-03 03:45:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions. [2023-12-03 03:45:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:45:28,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 127 states and 170 transitions. [2023-12-03 03:45:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2023-12-03 03:45:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:28,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 126 states and 169 transitions. [2023-12-03 03:45:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 169 transitions. [2023-12-03 03:45:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:28,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 168 transitions. [2023-12-03 03:45:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2023-12-03 03:45:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:45:28,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:28,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:28,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:45:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:28,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:45:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:28,341 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-12-03 03:45:28,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-12-03 03:45:28,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:45:28 ImpRootNode [2023-12-03 03:45:28,371 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:45:28,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:45:28,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:45:28,372 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:45:28,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:25" (3/4) ... [2023-12-03 03:45:28,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:45:28,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:45:28,376 INFO L158 Benchmark]: Toolchain (without parser) took 3779.71ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 106.3MB in the beginning and 128.5MB in the end (delta: -22.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-03 03:45:28,376 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:28,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.43ms. Allocated memory is still 144.7MB. Free memory was 106.3MB in the beginning and 92.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:45:28,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.45ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 89.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:45:28,378 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:28,378 INFO L158 Benchmark]: RCFGBuilder took 718.00ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 91.8MB in the end (delta: -3.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-12-03 03:45:28,379 INFO L158 Benchmark]: CodeCheck took 2692.59ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 128.5MB in the end (delta: -36.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:28,379 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 176.2MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:28,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 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_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; VAL [ea=0, eb=0] [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [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 0.21ms. Allocated memory is still 102.8MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.43ms. Allocated memory is still 144.7MB. Free memory was 106.3MB in the beginning and 92.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.45ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 89.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.00ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 91.8MB in the end (delta: -3.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * CodeCheck took 2692.59ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 128.5MB in the end (delta: -36.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 176.2MB. Free memory is still 128.5MB. 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 [2023-12-03 03:45:28,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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_78ecfbb9-803b-4292-bca6-5988e44d9635/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 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:45:30,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:45:30,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 03:45:30,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:45:30,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:45:30,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:45:30,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:45:30,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:45:30,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:45:30,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:45:30,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:45:30,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:45:30,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:45:30,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:45:30,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:45:30,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:45:30,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:45:30,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:45:30,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:45:30,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:45:30,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:45:30,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:45:30,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:45:30,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:45:30,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:45:30,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:45:30,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:45:30,471 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:30,471 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:45:30,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:45:30,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:30,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:45:30,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:45:30,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:45:30,474 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:45:30,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:30,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:45:30,475 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:45:30,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:45:30,475 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_78ecfbb9-803b-4292-bca6-5988e44d9635/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2023-12-03 03:45:30,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:45:30,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:45:30,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:45:30,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:45:30,793 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:45:30,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2023-12-03 03:45:33,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:45:33,754 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:45:33,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2023-12-03 03:45:33,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/cda4e34c2/37830a17a5c24de1a382bb88f87a9bee/FLAG54dcf7801 [2023-12-03 03:45:33,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/data/cda4e34c2/37830a17a5c24de1a382bb88f87a9bee [2023-12-03 03:45:33,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:45:33,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:45:33,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:33,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:45:33,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:45:33,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:33" (1/1) ... [2023-12-03 03:45:33,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d881a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:33, skipping insertion in model container [2023-12-03 03:45:33,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:33" (1/1) ... [2023-12-03 03:45:33,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:34,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:34,059 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:45:34,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:34,122 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:45:34,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34 WrapperNode [2023-12-03 03:45:34,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:34,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:34,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:45:34,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:45:34,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,168 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2023-12-03 03:45:34,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:34,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:45:34,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:45:34,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:45:34,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:45:34,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:45:34,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:45:34,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:45:34,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:34,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:45:34,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:45:34,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:45:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:45:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:45:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:45:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:45:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:45:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:45:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:45:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:45:34,380 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:45:34,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:45:34,723 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:45:34,843 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:45:34,844 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:45:34,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:34 BoogieIcfgContainer [2023-12-03 03:45:34,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:45:34,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:45:34,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:45:34,856 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:45:34,857 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:34" (1/1) ... [2023-12-03 03:45:34,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:45:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2023-12-03 03:45:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-12-03 03:45:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:45:34,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:34,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:34,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:34,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:34,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:45:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:35,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2023-12-03 03:45:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2023-12-03 03:45:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:45:35,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:45:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:35,194 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:45:35,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:45:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2023-12-03 03:45:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2023-12-03 03:45:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:45:35,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:45:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:35,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:45:35,349 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:45:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 104 transitions. [2023-12-03 03:45:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2023-12-03 03:45:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:45:35,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:45:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:35,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:45:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 83 states and 103 transitions. [2023-12-03 03:45:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2023-12-03 03:45:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:45:35,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,473 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:45:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:35,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:45:35,565 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:45:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2023-12-03 03:45:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2023-12-03 03:45:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:45:35,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:45:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:35,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:45:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2023-12-03 03:45:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2023-12-03 03:45:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:45:35,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:35,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:35,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:35,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:45:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:35,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:35,907 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:45:35,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:45:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2023-12-03 03:45:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-12-03 03:45:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:45:36,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:36,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:36,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:36,362 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:45:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:36,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:36,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:45:36,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:36,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:45:36,542 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:45:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2023-12-03 03:45:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2023-12-03 03:45:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:36,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:36,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:36,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:36,573 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:36,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:45:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:36,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:36,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:36,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:36,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:45:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2023-12-03 03:45:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-12-03 03:45:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:45:36,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:36,768 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:45:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:36,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:45:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:36,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:45:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:45:36,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:45:36,919 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-12-03 03:45:36,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-03 03:45:36,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:45:36 ImpRootNode [2023-12-03 03:45:36,952 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:45:36,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:45:36,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:45:36,953 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:45:36,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:34" (3/4) ... [2023-12-03 03:45:36,954 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:45:36,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-03 03:45:37,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:45:37,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:45:37,005 INFO L158 Benchmark]: Toolchain (without parser) took 3220.95ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 76.8MB in the beginning and 66.3MB in the end (delta: 10.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,005 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:37,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.47ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 61.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.34ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,006 INFO L158 Benchmark]: Boogie Preprocessor took 36.62ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,007 INFO L158 Benchmark]: RCFGBuilder took 639.06ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 76.3MB in the end (delta: -18.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,007 INFO L158 Benchmark]: CodeCheck took 2105.56ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 76.3MB in the beginning and 68.3MB in the end (delta: 7.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,008 INFO L158 Benchmark]: Witness Printer took 51.40ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:37,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 84 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, 0.6s 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_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [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 0.17ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.47ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 61.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.34ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.62ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.06ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 76.3MB in the end (delta: -18.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 2105.56ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 76.3MB in the beginning and 68.3MB in the end (delta: 7.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 51.40ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 66.3MB 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! [2023-12-03 03:45:37,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ecfbb9-803b-4292-bca6-5988e44d9635/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)