./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.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_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/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_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/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_1a5253ef-832c-44d8-8402-a45ad1a2c25c/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 cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:00:06,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:00:06,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:00:06,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:00:06,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:00:06,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:00:06,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:00:06,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:00:06,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:00:06,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:00:06,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:00:06,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:00:06,974 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:00:06,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:00:06,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:00:06,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:00:06,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:00:06,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:00:06,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:00:06,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:00:06,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:00:06,978 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:00:06,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:00:06,979 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:00:06,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:00:06,980 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:00:06,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:00:06,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:00:06,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:00:06,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:00:06,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:00:06,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:00:06,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:00:06,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:00:06,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:00:06,984 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_1a5253ef-832c-44d8-8402-a45ad1a2c25c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d [2023-12-03 03:00:07,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:00:07,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:00:07,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:00:07,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:00:07,234 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:00:07,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-12-03 03:00:09,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:00:10,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:00:10,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-12-03 03:00:10,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/data/4fd7cc039/e8591495dc8d412191f1b54baa81c7bf/FLAGb40309f58 [2023-12-03 03:00:10,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/data/4fd7cc039/e8591495dc8d412191f1b54baa81c7bf [2023-12-03 03:00:10,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:00:10,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:00:10,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:00:10,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:00:10,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:00:10,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b57561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10, skipping insertion in model container [2023-12-03 03:00:10,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:00:10,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:00:10,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:00:10,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:00:10,484 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:00:10,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10 WrapperNode [2023-12-03 03:00:10,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:00:10,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:00:10,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:00:10,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:00:10,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,520 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-03 03:00:10,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:00:10,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:00:10,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:00:10,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:00:10,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:00:10,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:00:10,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:00:10,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:00:10,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:00:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:00:10,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:00:10,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:00:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:00:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:00:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:00:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:00:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:00:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:00:10,665 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:00:10,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:00:10,795 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:00:10,823 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:00:10,823 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:00:10,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:10 BoogieIcfgContainer [2023-12-03 03:00:10,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:00:10,826 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:00:10,826 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:00:10,833 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:00:10,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:10" (1/1) ... [2023-12-03 03:00:10,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:00:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-12-03 03:00:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-12-03 03:00:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:00:10,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:10,989 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 03:00:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-12-03 03:00:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-12-03 03:00:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:00:11,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,089 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 03:00:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 03:00:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 03:00:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:00:11,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,174 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 03:00:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-12-03 03:00:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-12-03 03:00:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:00:11,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,209 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 03:00:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 03:00:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 03:00:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:00:11,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,277 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 03:00:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-03 03:00:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-03 03:00:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:00:11,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,507 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 03:00:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-12-03 03:00:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-12-03 03:00:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:00:11,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,679 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 03:00:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-12-03 03:00:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-12-03 03:00:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:00:11,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,829 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 03:00:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-12-03 03:00:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-12-03 03:00:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:00:11,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:12,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:00:12,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:12,046 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 03:00:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-12-03 03:00:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-12-03 03:00:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:00:12,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:12,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:12,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:00:12,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:12,338 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 03:00:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 79 transitions. [2023-12-03 03:00:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-12-03 03:00:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:00:12,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:12,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:12,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:00:12,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 101 transitions. [2023-12-03 03:00:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-12-03 03:00:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:00:13,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:13,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:00:13,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 112 transitions. [2023-12-03 03:00:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-12-03 03:00:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:00:14,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:14,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:00:14,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 115 transitions. [2023-12-03 03:00:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-12-03 03:00:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:00:14,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:14,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:14,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:00:14,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:00:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 128 transitions. [2023-12-03 03:00:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2023-12-03 03:00:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:00:14,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:14,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:14,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:00:14,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 157 transitions. [2023-12-03 03:00:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2023-12-03 03:00:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:00:16,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:16,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:16,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:00:16,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 183 transitions. [2023-12-03 03:00:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2023-12-03 03:00:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:00:16,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:16,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:16,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:00:16,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:00:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 193 transitions. [2023-12-03 03:00:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2023-12-03 03:00:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:00:17,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:17,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:00:17,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 211 transitions. [2023-12-03 03:00:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 211 transitions. [2023-12-03 03:00:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:00:17,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:17,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:17,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:00:17,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 127 states and 218 transitions. [2023-12-03 03:00:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2023-12-03 03:00:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:00:18,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:18,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:18,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:00:18,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 249 transitions. [2023-12-03 03:00:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2023-12-03 03:00:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:00:19,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:19,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:00:19,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 145 states and 260 transitions. [2023-12-03 03:00:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 260 transitions. [2023-12-03 03:00:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:00:20,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:20,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:20,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:00:20,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:00:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 281 transitions. [2023-12-03 03:00:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 281 transitions. [2023-12-03 03:00:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:00:20,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:20,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:00:20,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 292 transitions. [2023-12-03 03:00:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 292 transitions. [2023-12-03 03:00:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:00:21,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:21,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:21,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 175 states and 328 transitions. [2023-12-03 03:00:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 328 transitions. [2023-12-03 03:00:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:00:23,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:23,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:23,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:00:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 181 states and 340 transitions. [2023-12-03 03:00:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 340 transitions. [2023-12-03 03:00:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:00:24,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:24,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:24,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:24,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:00:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 184 states and 342 transitions. [2023-12-03 03:00:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 342 transitions. [2023-12-03 03:00:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:00:24,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:24,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:24,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:00:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 187 states and 344 transitions. [2023-12-03 03:00:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 344 transitions. [2023-12-03 03:00:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:00:25,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:25,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:25,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:25,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:00:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 190 states and 346 transitions. [2023-12-03 03:00:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 346 transitions. [2023-12-03 03:00:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:00:25,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:25,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:25,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:00:25,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:00:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 194 states and 369 transitions. [2023-12-03 03:00:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2023-12-03 03:00:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:00:26,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:26,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:26,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:26,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 208 states and 388 transitions. [2023-12-03 03:00:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 388 transitions. [2023-12-03 03:00:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:00:27,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:27,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:00:27,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 215 states and 399 transitions. [2023-12-03 03:00:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 399 transitions. [2023-12-03 03:00:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:00:27,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:27,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:28,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:00:28,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 225 states and 423 transitions. [2023-12-03 03:00:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 423 transitions. [2023-12-03 03:00:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:00:29,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:29,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:29,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 229 states and 426 transitions. [2023-12-03 03:00:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 426 transitions. [2023-12-03 03:00:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:00:30,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:30,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:30,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:00:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 233 states and 433 transitions. [2023-12-03 03:00:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 433 transitions. [2023-12-03 03:00:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:00:31,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:31,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:31,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:00:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 236 states and 435 transitions. [2023-12-03 03:00:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 435 transitions. [2023-12-03 03:00:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:00:32,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:32,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:32,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 77 states and 99 transitions. [2023-12-03 03:00:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2023-12-03 03:00:33,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:00:33,238 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2023-12-03 03:00:33,245 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:00:33,557 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:00:33,561 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:00:33,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:00:33 ImpRootNode [2023-12-03 03:00:33,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:00:33,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:00:33,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:00:33,562 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:00:33,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:10" (3/4) ... [2023-12-03 03:00:33,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:00:33,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:00:33,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 03:00:33,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 03:00:33,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:00:33,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:00:33,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:00:33,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:00:33,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:00:33,640 INFO L158 Benchmark]: Toolchain (without parser) took 23436.40ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 111.1MB in the beginning and 63.6MB in the end (delta: 47.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,641 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:00:33,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.97ms. Allocated memory is still 153.1MB. Free memory was 111.1MB in the beginning and 119.9MB in the end (delta: -8.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.35ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,642 INFO L158 Benchmark]: Boogie Preprocessor took 22.67ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:00:33,643 INFO L158 Benchmark]: RCFGBuilder took 280.62ms. Allocated memory is still 153.1MB. Free memory was 117.4MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,643 INFO L158 Benchmark]: CodeCheck took 22735.45ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 105.8MB in the beginning and 67.8MB in the end (delta: 37.9MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,644 INFO L158 Benchmark]: Witness Printer took 78.11ms. Allocated memory is still 222.3MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:00:33,646 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7172 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6127 mSDsluCounter, 6640 SdHoareTripleChecker+Invalid, 20.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5426 mSDsCounter, 5417 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20224 IncrementalHoareTripleChecker+Invalid, 25641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5417 mSolverCounterUnsat, 1214 mSDtfsCounter, 20224 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13314 GetRequests, 12309 SyntacticMatches, 627 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92409 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1298 NumberOfCodeBlocks, 1298 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3776 SizeOfPredicates, 97 NumberOfNonLiveVariables, 3039 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 36 InterpolantComputations, 15 PerfectInterpolantSequences, 850/1979 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.97ms. Allocated memory is still 153.1MB. Free memory was 111.1MB in the beginning and 119.9MB in the end (delta: -8.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.35ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.67ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.62ms. Allocated memory is still 153.1MB. Free memory was 117.4MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 22735.45ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 105.8MB in the beginning and 67.8MB in the end (delta: 37.9MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. * Witness Printer took 78.11ms. Allocated memory is still 222.3MB. Free memory was 67.8MB in the beginning and 63.6MB 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! [2023-12-03 03:00:33,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5253ef-832c-44d8-8402-a45ad1a2c25c/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