./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.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_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/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_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/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_e277a203-97f2-4668-885c-965467fd357d/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 b63b7ff6572e9a0a2b1c55134bda19bbc388077099b845df6f31e10a08695ebb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:56:35,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:56:35,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:56:35,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:56:35,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:56:35,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:56:35,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:56:35,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:56:35,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:56:35,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:56:35,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:56:35,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:56:35,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:56:35,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:56:35,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:56:35,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:56:35,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:56:35,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:56:35,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:56:35,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:56:35,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:56:35,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:56:35,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:56:35,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:56:35,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:56:35,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:56:35,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:56:35,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:56:35,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:56:35,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:56:35,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:56:35,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:56:35,174 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:56:35,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:56:35,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:56:35,175 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_e277a203-97f2-4668-885c-965467fd357d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63b7ff6572e9a0a2b1c55134bda19bbc388077099b845df6f31e10a08695ebb [2023-12-03 03:56:35,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:56:35,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:56:35,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:56:35,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:56:35,410 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:56:35,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c [2023-12-03 03:56:38,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:56:38,339 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:56:38,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound20.c [2023-12-03 03:56:38,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/data/08a4ae390/8768857a13cd4afbb64e8fea44998990/FLAG505fa4857 [2023-12-03 03:56:38,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/data/08a4ae390/8768857a13cd4afbb64e8fea44998990 [2023-12-03 03:56:38,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:56:38,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:56:38,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:56:38,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:56:38,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:56:38,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d5ed20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38, skipping insertion in model container [2023-12-03 03:56:38,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:56:38,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:56:38,547 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:56:38,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:56:38,580 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:56:38,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38 WrapperNode [2023-12-03 03:56:38,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:56:38,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:56:38,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:56:38,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:56:38,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,621 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-12-03 03:56:38,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:56:38,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:56:38,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:56:38,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:56:38,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:56:38,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:56:38,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:56:38,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:56:38,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:38" (1/1) ... [2023-12-03 03:56:38,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:56:38,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:56:38,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:56:38,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:56:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:56:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:56:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:56:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:56:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:56:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:56:38,776 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:56:38,778 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:56:39,002 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:56:39,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:56:39,031 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:56:39,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:56:39 BoogieIcfgContainer [2023-12-03 03:56:39,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:56:39,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:56:39,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:56:39,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:56:39,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:56:39" (1/1) ... [2023-12-03 03:56:39,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:56:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-12-03 03:56:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-12-03 03:56:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:56:39,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-12-03 03:56:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-12-03 03:56:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:56:39,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-03 03:56:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-03 03:56:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:56:39,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:39,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-12-03 03:56:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-03 03:56:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:56:39,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:39,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2023-12-03 03:56:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2023-12-03 03:56:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:39,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:39,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-12-03 03:56:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-12-03 03:56:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:56:39,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:39,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2023-12-03 03:56:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2023-12-03 03:56:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:56:39,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:39,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:39,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:39,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-12-03 03:56:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-12-03 03:56:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:56:40,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:40,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:40,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:56:40,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 03:56:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 03:56:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:56:40,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:40,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:56:40,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 89 states and 104 transitions. [2023-12-03 03:56:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2023-12-03 03:56:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:56:41,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:41,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:56:41,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2023-12-03 03:56:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2023-12-03 03:56:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:56:41,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:41,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:56:41,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2023-12-03 03:56:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2023-12-03 03:56:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:56:42,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:42,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:42,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2023-12-03 03:56:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-12-03 03:56:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:56:42,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:42,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:42,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:56:42,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-12-03 03:56:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-12-03 03:56:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:56:43,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:43,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:43,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 114 states and 145 transitions. [2023-12-03 03:56:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2023-12-03 03:56:43,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:56:43,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:43,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:43,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:56:43,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 130 states and 170 transitions. [2023-12-03 03:56:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 170 transitions. [2023-12-03 03:56:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:56:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:45,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:45,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:10,656 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 22 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:58:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:14,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 03:59:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 131 states and 172 transitions. [2023-12-03 03:59:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2023-12-03 03:59:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:59:14,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:14,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:59:14,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 134 states and 177 transitions. [2023-12-03 03:59:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 177 transitions. [2023-12-03 03:59:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:59:38,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:38,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:59:38,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:39,720 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 04:00:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2023-12-03 04:00:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2023-12-03 04:00:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:00:04,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:04,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:00:04,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:06,425 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 04:00:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 140 states and 186 transitions. [2023-12-03 04:00:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2023-12-03 04:00:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:00:36,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:37,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:00:37,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:41,982 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 04:01:15,092 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:01:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 145 states and 197 transitions. [2023-12-03 04:01:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 197 transitions. [2023-12-03 04:01:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:01:41,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:41,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:41,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:01:41,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:41,488 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 04:01:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 196 transitions. [2023-12-03 04:01:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2023-12-03 04:01:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:01:41,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:41,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:41,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:43,532 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 04:02:04,686 WARN L293 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:02:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 147 states and 202 transitions. [2023-12-03 04:02:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 202 transitions. [2023-12-03 04:02:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:02:04,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:04,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:02:04,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:24,657 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 04:04:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 157 states and 215 transitions. [2023-12-03 04:04:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 215 transitions. [2023-12-03 04:04:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:04:10,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:04:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:10,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:04:10,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:22,548 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 04:06:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 165 states and 227 transitions. [2023-12-03 04:06:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-12-03 04:06:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:06:17,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:06:18,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:06:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:06:18,407 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2023-12-03 04:06:18,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:06:18,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:06:18 ImpRootNode [2023-12-03 04:06:18,434 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:06:18,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:06:18,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:06:18,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:06:18,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:56:39" (3/4) ... [2023-12-03 04:06:18,435 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:06:18,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:06:18,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:06:18,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:06:18,479 INFO L158 Benchmark]: Toolchain (without parser) took 580117.19ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 105.7MB in the beginning and 93.2MB in the end (delta: 12.6MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,479 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:06:18,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.66ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,480 INFO L158 Benchmark]: Boogie Preprocessor took 23.91ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:06:18,481 INFO L158 Benchmark]: RCFGBuilder took 387.12ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 75.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,481 INFO L158 Benchmark]: CodeCheck took 579399.30ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 75.9MB in the beginning and 95.2MB in the end (delta: -19.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,482 INFO L158 Benchmark]: Witness Printer took 43.86ms. Allocated memory is still 180.4MB. Free memory was 95.2MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:06:18,484 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 579.3s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2494 SdHoareTripleChecker+Valid, 34.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2035 mSDsluCounter, 512 SdHoareTripleChecker+Invalid, 33.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 565 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5956 IncrementalHoareTripleChecker+Invalid, 6521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 565 mSolverCounterUnsat, 337 mSDtfsCounter, 5956 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3154 GetRequests, 2782 SyntacticMatches, 130 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36215 ImplicationChecksByTransitivity, 571.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 133.7s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 4 QuantifiedInterpolants, 2069 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1119 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=4294967295, z=4294967295] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L33] COND TRUE counter++<20 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=4294967295, z=4294967295] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=4294967295, z=4294967295] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=4294967295, z=4294967295] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=4294967295, z=4294967295] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=4294967296, y=4294967295, z=4294967295] [L41] y * z VAL [c=2, counter=1, k=2, x=4294967296, y=4294967295, z=4294967295] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.66ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.91ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.12ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 75.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 579399.30ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 75.9MB in the beginning and 95.2MB in the end (delta: -19.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 43.86ms. Allocated memory is still 180.4MB. Free memory was 95.2MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 04:06:18,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e277a203-97f2-4668-885c-965467fd357d/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)