./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound1.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_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/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_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/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_5c23dbf6-2afe-4044-a045-e4988092448a/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 ae3e84dc03b4889139acdee8320d8e78d51ece1a59012a14a24eb6a15f243467 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:27:00,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:27:00,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:27:00,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:27:00,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:27:00,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:27:00,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:27:00,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:27:00,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:27:00,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:27:00,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:27:00,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:27:00,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:27:00,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:27:00,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:27:00,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:27:00,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:27:00,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:27:00,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:27:00,247 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:27:00,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:27:00,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:27:00,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:27:00,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:27:00,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:27:00,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:27:00,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:27:00,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:27:00,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:00,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:27:00,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:27:00,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:27:00,252 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:27:00,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:27:00,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:27:00,253 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_5c23dbf6-2afe-4044-a045-e4988092448a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3e84dc03b4889139acdee8320d8e78d51ece1a59012a14a24eb6a15f243467 [2023-12-03 00:27:00,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:27:00,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:27:00,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:27:00,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:27:00,504 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:27:00,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound1.c [2023-12-03 00:27:03,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:27:03,572 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:27:03,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound1.c [2023-12-03 00:27:03,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/data/d490e900c/6db9d2a4d7e2455880624896954b3374/FLAGdcd85331f [2023-12-03 00:27:03,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/data/d490e900c/6db9d2a4d7e2455880624896954b3374 [2023-12-03 00:27:03,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:27:03,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:27:03,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:03,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:27:03,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:27:03,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbf6462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03, skipping insertion in model container [2023-12-03 00:27:03,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:27:03,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:03,782 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:27:03,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:03,813 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:27:03,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03 WrapperNode [2023-12-03 00:27:03,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:03,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:03,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:27:03,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:27:03,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,852 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-03 00:27:03,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:03,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:27:03,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:27:03,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:27:03,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:27:03,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:27:03,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:27:03,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:27:03,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:03" (1/1) ... [2023-12-03 00:27:03,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:03,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:27:03,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:27:03,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:27:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:27:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:27:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:27:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:27:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:27:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:27:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:27:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:27:04,047 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:27:04,049 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:27:04,366 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:27:04,407 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:27:04,407 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:27:04,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:04 BoogieIcfgContainer [2023-12-03 00:27:04,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:27:04,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:27:04,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:27:04,422 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:27:04,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:04" (1/1) ... [2023-12-03 00:27:04,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:27:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-12-03 00:27:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-12-03 00:27:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:27:04,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:04,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:04,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:27:04,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:04,720 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 00:27:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-12-03 00:27:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-12-03 00:27:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:27:04,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:04,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:04,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:04,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:04,799 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 00:27:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-03 00:27:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-03 00:27:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:27:04,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:04,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:27:04,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:27:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 68 transitions. [2023-12-03 00:27:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-12-03 00:27:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:27:05,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,161 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 00:27:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 70 transitions. [2023-12-03 00:27:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-12-03 00:27:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:27:05,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,369 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 00:27:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 72 transitions. [2023-12-03 00:27:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-03 00:27:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:27:05,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:27:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 79 transitions. [2023-12-03 00:27:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2023-12-03 00:27:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:27:05,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,996 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 00:27:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 88 transitions. [2023-12-03 00:27:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-03 00:27:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:27:06,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:06,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:27:06,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:06,364 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 00:27:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 90 transitions. [2023-12-03 00:27:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-12-03 00:27:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:27:06,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:06,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:06,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:27:06,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:06,693 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 00:27:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 93 transitions. [2023-12-03 00:27:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-12-03 00:27:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:27:06,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:06,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:06,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:06,863 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 00:27:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 104 transitions. [2023-12-03 00:27:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-12-03 00:27:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:27:07,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:07,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:27:07,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:07,325 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 00:27:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 100 states and 123 transitions. [2023-12-03 00:27:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-12-03 00:27:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:27:07,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:07,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:08,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:08,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:08,036 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 00:27:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 124 transitions. [2023-12-03 00:27:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-12-03 00:27:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:27:08,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:08,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:27:08,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:08,141 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 00:27:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 114 states and 144 transitions. [2023-12-03 00:27:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2023-12-03 00:27:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:27:08,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:08,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:09,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:09,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:19,245 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1)))) is different from true [2023-12-03 00:27:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:28:08,839 WARN L293 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 23 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:28:59,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:28:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 115 states and 147 transitions. [2023-12-03 00:28:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2023-12-03 00:28:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:28:59,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:59,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:59,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:59,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:47,265 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 00:29:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 146 transitions. [2023-12-03 00:29:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2023-12-03 00:29:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:29:47,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:47,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:29:47,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:48,644 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 00:30:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 118 states and 151 transitions. [2023-12-03 00:30:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2023-12-03 00:30:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:30:21,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:21,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:30:21,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:21,904 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 00:30:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 120 states and 154 transitions. [2023-12-03 00:30:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2023-12-03 00:30:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:30:39,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:39,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:30:39,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:40,877 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 00:31:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 124 states and 160 transitions. [2023-12-03 00:31:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2023-12-03 00:31:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:31:40,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:40,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:31:40,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:32:49,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:32:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 178 transitions. [2023-12-03 00:32:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2023-12-03 00:32:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:32:50,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:50,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:32:50,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:50,082 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 00:32:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 133 states and 177 transitions. [2023-12-03 00:32:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 177 transitions. [2023-12-03 00:32:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:32:50,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:50,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:50,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:03,184 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 00:33:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 141 states and 194 transitions. [2023-12-03 00:33:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-12-03 00:33:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:33:42,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:42,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:42,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:33:42,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:34:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 29 states and 30 transitions. [2023-12-03 00:34:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-03 00:34:30,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:34:30,942 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-12-03 00:34:30,948 INFO L751 CodeCheckObserver]: All specifications hold 22 specifications checked. All of them hold [2023-12-03 00:34:32,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:34:32,202 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:34:32,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:34:32 ImpRootNode [2023-12-03 00:34:32,203 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:34:32,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:34:32,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:34:32,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:34:32,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:04" (3/4) ... [2023-12-03 00:34:32,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:34:32,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 00:34:32,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:34:32,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-03 00:34:32,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 00:34:32,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:34:32,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:34:32,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:34:32,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:34:32,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:34:32,298 INFO L158 Benchmark]: Toolchain (without parser) took 448701.07ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 111.9MB in the beginning and 89.4MB in the end (delta: 22.5MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,298 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:32,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.95ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 101.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.04ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 99.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,300 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,300 INFO L158 Benchmark]: RCFGBuilder took 526.50ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 81.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,301 INFO L158 Benchmark]: CodeCheck took 447792.50ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 81.7MB in the beginning and 94.6MB in the end (delta: -12.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,301 INFO L158 Benchmark]: Witness Printer took 93.60ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 89.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:32,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 59 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 446.5s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 2411 SdHoareTripleChecker+Valid, 115.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1593 mSDsluCounter, 1008 SdHoareTripleChecker+Invalid, 113.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 18 IncrementalHoareTripleChecker+Unchecked, 454 mSDsCounter, 491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4510 IncrementalHoareTripleChecker+Invalid, 5028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 491 mSolverCounterUnsat, 554 mSDtfsCounter, 4510 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3757 GetRequests, 3510 SyntacticMatches, 76 SemanticMatches, 171 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 16333 ImplicationChecksByTransitivity, 429.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 101.0s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 436 ConstructedInterpolants, 5 QuantifiedInterpolants, 1745 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1311 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 22 InterpolantComputations, 19 PerfectInterpolantSequences, 41/44 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: 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: 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: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: 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: 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: 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: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.95ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 101.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.04ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 99.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.50ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 81.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447792.50ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 81.7MB in the beginning and 94.6MB in the end (delta: -12.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 93.60ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 89.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:34:32,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c23dbf6-2afe-4044-a045-e4988092448a/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