./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.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_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/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_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/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_75978f9b-b7c3-4c01-80dd-21e721009252/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 ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:32:35,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:32:35,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:32:35,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:32:35,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:32:35,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:32:35,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:32:35,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:32:35,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:32:35,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:32:35,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:32:35,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:32:35,996 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:32:35,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:32:35,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:32:35,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:32:35,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:32:35,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:32:35,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:32:36,000 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:32:36,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:32:36,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:32:36,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:32:36,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:32:36,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:32:36,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:32:36,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:32:36,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:32:36,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:36,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:32:36,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:32:36,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:32:36,008 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:32:36,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:32:36,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:32:36,009 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_75978f9b-b7c3-4c01-80dd-21e721009252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c [2023-12-02 21:32:36,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:32:36,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:32:36,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:32:36,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:32:36,280 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:32:36,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2023-12-02 21:32:39,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:32:39,267 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:32:39,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2023-12-02 21:32:39,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/data/12b4efb15/966bc2e09db04afba3b3e1c934676fc7/FLAGd96d91db4 [2023-12-02 21:32:39,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/data/12b4efb15/966bc2e09db04afba3b3e1c934676fc7 [2023-12-02 21:32:39,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:32:39,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:32:39,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:39,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:32:39,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:32:39,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0faa04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39, skipping insertion in model container [2023-12-02 21:32:39,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:39,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:39,553 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:39,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:39,583 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:39,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39 WrapperNode [2023-12-02 21:32:39,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:39,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:39,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:39,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:39,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,612 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-12-02 21:32:39,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:39,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:39,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:39,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:39,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:39,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:39,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:39,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:39,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:39,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:39,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:39,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:32:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:32:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:32:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:32:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:32:39,756 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:39,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:39,902 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:32:39,949 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:32:39,950 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:32:39,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:39 BoogieIcfgContainer [2023-12-02 21:32:39,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:32:39,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:32:39,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:32:39,960 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:32:39,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:39" (1/1) ... [2023-12-02 21:32:39,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:32:40,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-02 21:32:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-02 21:32:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:32:40,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2023-12-02 21:32:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-02 21:32:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:32:40,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2023-12-02 21:32:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-02 21:32:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:32:40,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:40,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:32:40,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-12-02 21:32:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-12-02 21:32:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:32:40,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:40,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:32:40,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 55 transitions. [2023-12-02 21:32:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2023-12-02 21:32:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:32:41,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:41,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:41,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:32:41,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 46 transitions. [2023-12-02 21:32:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-12-02 21:32:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:32:42,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:42,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:32:42,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 58 transitions. [2023-12-02 21:32:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-12-02 21:32:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:32:42,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:42,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:32:42,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 70 transitions. [2023-12-02 21:32:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2023-12-02 21:32:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:32:42,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:42,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:32:42,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 83 transitions. [2023-12-02 21:32:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-12-02 21:32:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:32:43,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:43,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:32:43,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 15 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 95 transitions. [2023-12-02 21:32:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-12-02 21:32:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:32:44,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:44,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:44,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:32:44,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 107 transitions. [2023-12-02 21:32:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-12-02 21:32:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:32:44,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:44,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:32:44,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 119 transitions. [2023-12-02 21:32:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2023-12-02 21:32:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:32:45,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:45,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:32:45,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 131 transitions. [2023-12-02 21:32:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2023-12-02 21:32:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:32:46,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:46,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:46,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:32:46,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 144 transitions. [2023-12-02 21:32:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2023-12-02 21:32:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:32:47,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:47,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:32:47,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 156 transitions. [2023-12-02 21:32:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-12-02 21:32:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:32:48,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:48,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:48,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:32:48,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 463 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:32:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 147 transitions. [2023-12-02 21:32:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-12-02 21:32:49,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:32:49,450 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2023-12-02 21:32:49,459 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 21:32:49,566 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:32:49,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:32:49,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:32:49 ImpRootNode [2023-12-02 21:32:49,570 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:32:49,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:32:49,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:32:49,571 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:32:49,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:39" (3/4) ... [2023-12-02 21:32:49,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:32:49,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 21:32:49,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 21:32:49,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 21:32:49,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 21:32:49,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:32:49,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:32:49,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:32:49,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:32:49,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:32:49,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:32:49,655 INFO L158 Benchmark]: Toolchain (without parser) took 10357.55ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 118.4MB in the beginning and 133.1MB in the end (delta: -14.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-12-02 21:32:49,656 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:49,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.95ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 122.7MB in the end (delta: -4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:32:49,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.00ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:49,657 INFO L158 Benchmark]: Boogie Preprocessor took 20.78ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 120.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:49,658 INFO L158 Benchmark]: RCFGBuilder took 316.44ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 105.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:32:49,658 INFO L158 Benchmark]: CodeCheck took 9618.28ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 138.3MB in the end (delta: -32.4MB). Peak memory consumption was 333.7kB. Max. memory is 16.1GB. [2023-12-02 21:32:49,659 INFO L158 Benchmark]: Witness Printer took 83.79ms. Allocated memory is still 188.7MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:32:49,661 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1478 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1007 mSDsluCounter, 1728 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 724 mSDsCounter, 1227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3737 IncrementalHoareTripleChecker+Invalid, 4964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1227 mSolverCounterUnsat, 1004 mSDtfsCounter, 3737 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6591 GetRequests, 5847 SyntacticMatches, 578 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16951 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 804 NumberOfCodeBlocks, 804 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 2157 SizeOfPredicates, 138 NumberOfNonLiveVariables, 2224 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 750/2152 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.95ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 122.7MB in the end (delta: -4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.00ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.78ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 120.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.44ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 105.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 9618.28ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 138.3MB in the end (delta: -32.4MB). Peak memory consumption was 333.7kB. Max. memory is 16.1GB. * Witness Printer took 83.79ms. Allocated memory is still 188.7MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:32:49,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75978f9b-b7c3-4c01-80dd-21e721009252/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 Writing output log to file Ultimate.log Result: TRUE