./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/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_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/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_f8ff1ba5-f822-4aaf-9340-bcc590539c82/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 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:35:54,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:35:54,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:35:54,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:35:54,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:35:54,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:35:54,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:35:54,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:35:54,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:35:54,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:35:54,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:35:54,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:35:54,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:35:54,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:35:54,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:35:54,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:35:54,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:35:54,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:35:54,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:35:54,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:35:54,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:35:54,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:35:54,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:35:54,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:35:54,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:35:54,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:35:54,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:35:54,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:35:54,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:54,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:35:54,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:35:54,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:35:54,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:35:54,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:35:54,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:35:54,641 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_f8ff1ba5-f822-4aaf-9340-bcc590539c82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 [2023-12-03 00:35:54,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:35:54,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:35:54,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:35:54,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:35:54,948 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:35:54,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-12-03 00:35:58,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:35:58,545 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:35:58,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-12-03 00:35:58,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/data/ffebaf1a1/749b553e19f540f0b1d531d3e7f0553d/FLAGf89c83a1f [2023-12-03 00:35:58,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/data/ffebaf1a1/749b553e19f540f0b1d531d3e7f0553d [2023-12-03 00:35:58,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:35:58,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:35:58,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:58,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:35:58,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:35:58,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8b3526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58, skipping insertion in model container [2023-12-03 00:35:58,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:35:58,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:58,787 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:35:58,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:58,823 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:35:58,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58 WrapperNode [2023-12-03 00:35:58,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:58,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:58,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:35:58,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:35:58,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,874 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-12-03 00:35:58,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:58,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:35:58,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:35:58,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:35:58,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:35:58,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:35:58,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:35:58,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:35:58,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:58" (1/1) ... [2023-12-03 00:35:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:35:58,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:35:58,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:35:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:35:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:35:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:35:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:35:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:35:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:35:59,043 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:35:59,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:35:59,371 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:35:59,423 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:35:59,424 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:35:59,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:59 BoogieIcfgContainer [2023-12-03 00:35:59,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:35:59,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:35:59,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:35:59,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:35:59,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:59" (1/1) ... [2023-12-03 00:35:59,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:35:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-03 00:35:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-03 00:35:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:35:59,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:59,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:59,736 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 00:35:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-03 00:35:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-03 00:35:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:35:59,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:59,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:59,857 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 00:35:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-03 00:35:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-03 00:35:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:59,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:59,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:59,994 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 00:36:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 00:36:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 00:36:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:36:00,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:00,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:00,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:00,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:36:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2023-12-03 00:36:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2023-12-03 00:36:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:36:00,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:00,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:00,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:00,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:36:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2023-12-03 00:36:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2023-12-03 00:36:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:36:01,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:01,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:01,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:01,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2023-12-03 00:36:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2023-12-03 00:36:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:36:01,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:01,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:01,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:01,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 111 states and 169 transitions. [2023-12-03 00:36:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2023-12-03 00:36:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:36:03,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:03,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:03,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:36:03,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 185 transitions. [2023-12-03 00:36:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2023-12-03 00:36:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:36:04,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:04,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:04,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:04,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 235 transitions. [2023-12-03 00:36:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2023-12-03 00:36:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:36:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:06,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:36:06,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 136 states and 248 transitions. [2023-12-03 00:36:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 248 transitions. [2023-12-03 00:36:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:36:07,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:07,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:36:07,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 142 states and 263 transitions. [2023-12-03 00:36:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2023-12-03 00:36:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:36:07,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:08,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:08,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 153 states and 291 transitions. [2023-12-03 00:36:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 291 transitions. [2023-12-03 00:36:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:36:10,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:10,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:10,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 155 states and 292 transitions. [2023-12-03 00:36:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2023-12-03 00:36:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:36:10,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:10,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:10,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 156 states and 293 transitions. [2023-12-03 00:36:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 293 transitions. [2023-12-03 00:36:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:36:10,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:10,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:10,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 162 states and 304 transitions. [2023-12-03 00:36:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 304 transitions. [2023-12-03 00:36:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:36:12,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:12,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:12,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:12,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 331 transitions. [2023-12-03 00:36:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2023-12-03 00:36:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:36:15,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:15,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:15,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 182 states and 342 transitions. [2023-12-03 00:36:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 342 transitions. [2023-12-03 00:36:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:36:17,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:17,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:17,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 196 states and 368 transitions. [2023-12-03 00:36:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 368 transitions. [2023-12-03 00:36:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:36:20,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:20,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:20,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:20,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:36:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 196 states and 363 transitions. [2023-12-03 00:36:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 363 transitions. [2023-12-03 00:36:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:36:21,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:21,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:21,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:36:21,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 380 transitions. [2023-12-03 00:36:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 380 transitions. [2023-12-03 00:36:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:36:22,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:22,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:22,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:22,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 204 states and 387 transitions. [2023-12-03 00:36:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 387 transitions. [2023-12-03 00:36:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:36:23,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:23,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:23,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:23,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:36:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 215 states and 414 transitions. [2023-12-03 00:36:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 414 transitions. [2023-12-03 00:36:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:36:26,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:26,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:26,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 51 states and 64 transitions. [2023-12-03 00:36:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-12-03 00:36:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:36:28,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:28,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:28,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 46 states and 57 transitions. [2023-12-03 00:36:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-12-03 00:36:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:36:31,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:31,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:31,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:31,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:36:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 40 states and 50 transitions. [2023-12-03 00:36:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-12-03 00:36:35,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:36:35,628 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-12-03 00:36:35,637 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-12-03 00:36:36,190 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:36:36,194 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-03 00:36:36,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:36:36,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:36:36 ImpRootNode [2023-12-03 00:36:36,199 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:36:36,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:36:36,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:36:36,200 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:36:36,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:59" (3/4) ... [2023-12-03 00:36:36,202 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:36:36,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:36:36,209 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 00:36:36,209 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 00:36:36,210 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:36:36,210 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:36:36,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:36:36,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:36:36,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:36:36,359 INFO L158 Benchmark]: Toolchain (without parser) took 37785.47ms. Allocated memory was 136.3MB in the beginning and 285.2MB in the end (delta: 148.9MB). Free memory was 105.8MB in the beginning and 223.8MB in the end (delta: -118.1MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,360 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 91.4MB in the end (delta: 262.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:36,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.36ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 94.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 136.3MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,361 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,362 INFO L158 Benchmark]: RCFGBuilder took 523.97ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 72.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,362 INFO L158 Benchmark]: CodeCheck took 36771.59ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 72.7MB in the beginning and 53.3MB in the end (delta: 19.4MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,363 INFO L158 Benchmark]: Witness Printer took 159.03ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 52.3MB in the beginning and 223.8MB in the end (delta: -171.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:36:36,366 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, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 36.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4250 SdHoareTripleChecker+Valid, 21.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3261 mSDsluCounter, 2444 SdHoareTripleChecker+Invalid, 18.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1214 mSDsCounter, 2079 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13586 IncrementalHoareTripleChecker+Invalid, 15665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2079 mSolverCounterUnsat, 1230 mSDtfsCounter, 13586 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6294 GetRequests, 5642 SyntacticMatches, 174 SemanticMatches, 478 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128854 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 181/191 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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 - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((1 < p) || !(((1 <= p) && (1 <= (B % 4294967296))))) || (((((d <= 4294967295) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (1 <= d))) || !((counter == 0))) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 91.4MB in the end (delta: 262.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.36ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 94.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 136.3MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.97ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 72.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 36771.59ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 72.7MB in the beginning and 53.3MB in the end (delta: 19.4MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * Witness Printer took 159.03ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 52.3MB in the beginning and 223.8MB in the end (delta: -171.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:36:36,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff1ba5-f822-4aaf-9340-bcc590539c82/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