./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC --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 ac3a81a6199f2fa90ddbd6627903586ea2f05ffc310aa884576aec45112f3234 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:29,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:29,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:21:29,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:21:29,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:21:29,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:29,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:29,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:29,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:29,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:29,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:29,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:29,545 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:21:29,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:21:29,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:21:29,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:29,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:29,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:29,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:29,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:21:29,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:21:29,552 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:21:29,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:29,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:29,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:29,555 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:29,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:29,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:29,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:29,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:29,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:29,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:29,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:21:29,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:21:29,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:29,561 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_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac3a81a6199f2fa90ddbd6627903586ea2f05ffc310aa884576aec45112f3234 [2023-11-23 20:21:29,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:29,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:29,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:29,954 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:29,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:29,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2023-11-23 20:21:33,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:33,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:33,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2023-11-23 20:21:33,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/data/749ec05ed/aa29d5b91f01430bbcd7e0f3ecfe0129/FLAG33717079f [2023-11-23 20:21:33,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/data/749ec05ed/aa29d5b91f01430bbcd7e0f3ecfe0129 [2023-11-23 20:21:33,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:33,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:33,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:33,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:33,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:33,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:33,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764cd920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33, skipping insertion in model container [2023-11-23 20:21:33,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:33,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:33,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:33,959 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:33,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:33,996 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:33,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33 WrapperNode [2023-11-23 20:21:33,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:33,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:33,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:33,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:34,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,038 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-23 20:21:34,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:34,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:34,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:34,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:34,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:34,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:34,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:34,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:34,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:33" (1/1) ... [2023-11-23 20:21:34,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:34,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:34,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:21:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:21:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:21:34,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:34,257 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:34,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:34,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:34,621 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:21:34,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:34 BoogieIcfgContainer [2023-11-23 20:21:34,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:34,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:34,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:34,646 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:34,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:34" (1/1) ... [2023-11-23 20:21:34,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 20:21:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 20:21:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:21:34,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:21:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:21:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:21:35,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-23 20:21:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:21:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:21:35,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:21:35,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:21:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:21:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:21:35,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:35,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:35,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-23 20:21:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-23 20:21:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:21:36,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:36,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:21:36,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 37 transitions. [2023-11-23 20:21:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:21:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:21:37,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:37,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:37,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:21:37,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 49 transitions. [2023-11-23 20:21:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:21:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:21:37,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:37,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:37,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:21:37,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 61 transitions. [2023-11-23 20:21:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-23 20:21:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:21:38,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:38,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:38,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:21:38,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 73 transitions. [2023-11-23 20:21:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-23 20:21:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:21:38,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:38,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:38,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:21:38,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 85 transitions. [2023-11-23 20:21:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-23 20:21:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:21:39,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:39,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:39,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:21:39,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 98 transitions. [2023-11-23 20:21:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-23 20:21:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:21:41,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:41,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:41,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:21:41,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 110 transitions. [2023-11-23 20:21:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-23 20:21:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:21:42,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:42,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:21:42,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 85 states and 122 transitions. [2023-11-23 20:21:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-11-23 20:21:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:21:44,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:44,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:44,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:21:44,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 135 transitions. [2023-11-23 20:21:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-23 20:21:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:21:45,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:45,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:45,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:21:45,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 30 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:46,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 147 transitions. [2023-11-23 20:21:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-23 20:21:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:21:46,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:46,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:21:46,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 463 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 95 states and 138 transitions. [2023-11-23 20:21:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-23 20:21:48,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:21:48,057 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2023-11-23 20:21:48,072 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-23 20:21:48,264 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:21:48,269 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:21:48,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:21:48 ImpRootNode [2023-11-23 20:21:48,272 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:21:48,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:21:48,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:21:48,273 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:21:48,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:34" (3/4) ... [2023-11-23 20:21:48,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:21:48,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:21:48,288 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-23 20:21:48,289 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:21:48,290 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:21:48,290 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:21:48,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:21:48,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:21:48,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:21:48,430 INFO L158 Benchmark]: Toolchain (without parser) took 14709.91ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 69.3MB in the beginning and 65.2MB in the end (delta: 4.1MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,432 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:48,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.13ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 58.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.16ms. Allocated memory is still 113.2MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,435 INFO L158 Benchmark]: Boogie Preprocessor took 34.81ms. Allocated memory is still 113.2MB. Free memory was 57.2MB in the beginning and 56.2MB in the end (delta: 999.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,435 INFO L158 Benchmark]: RCFGBuilder took 548.58ms. Allocated memory is still 113.2MB. Free memory was 55.9MB in the beginning and 44.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,436 INFO L158 Benchmark]: CodeCheck took 13646.53ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 44.9MB in the beginning and 69.4MB in the end (delta: -24.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,436 INFO L158 Benchmark]: Witness Printer took 152.18ms. Allocated memory is still 192.9MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:21:48,439 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 956 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 1584 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 940 mSDsCounter, 1041 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2608 IncrementalHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1041 mSolverCounterUnsat, 644 mSDtfsCounter, 2608 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5180 GetRequests, 4518 SyntacticMatches, 496 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16014 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 1764 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1945 ConjunctsInSsa, 170 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 573/1972 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.13ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 58.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.16ms. Allocated memory is still 113.2MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.81ms. Allocated memory is still 113.2MB. Free memory was 57.2MB in the beginning and 56.2MB in the end (delta: 999.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.58ms. Allocated memory is still 113.2MB. Free memory was 55.9MB in the beginning and 44.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13646.53ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 44.9MB in the beginning and 69.4MB in the end (delta: -24.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 152.18ms. Allocated memory is still 192.9MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:21:48,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21499624-23c7-4ffa-a529-3e675023be15/bin/ukojak-verify-1t5iHCbJaC/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