./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/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_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/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_8255bf6d-794f-4b82-9d6d-347b866af9e2/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 3a8c18680ee51ca2bbe0e4a07dd84bab232d284803c9048b6920d8cc21098c30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:50:09,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:50:09,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:50:09,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:50:09,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:50:09,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:50:09,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:50:09,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:50:09,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:50:09,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:50:09,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:50:09,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:50:09,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:50:09,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:50:09,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:50:09,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:50:09,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:50:09,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:50:09,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:50:09,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:50:09,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:50:09,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:50:09,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:50:09,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:50:09,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:50:09,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:50:09,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:50:09,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:50:09,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:09,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:50:09,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:50:09,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:50:09,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:50:09,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:50:09,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:50:09,245 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_8255bf6d-794f-4b82-9d6d-347b866af9e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a8c18680ee51ca2bbe0e4a07dd84bab232d284803c9048b6920d8cc21098c30 [2023-12-03 03:50:09,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:50:09,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:50:09,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:50:09,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:50:09,487 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:50:09,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c [2023-12-03 03:50:12,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:50:12,442 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:50:12,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound100.c [2023-12-03 03:50:12,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/data/6525dda99/2da880da447c4a59ba166aa8d016703d/FLAG8d2849b1f [2023-12-03 03:50:12,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/data/6525dda99/2da880da447c4a59ba166aa8d016703d [2023-12-03 03:50:12,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:50:12,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:50:12,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:12,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:50:12,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:50:12,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5b2a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12, skipping insertion in model container [2023-12-03 03:50:12,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:50:12,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:12,671 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:50:12,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:12,703 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:50:12,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12 WrapperNode [2023-12-03 03:50:12,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:12,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:12,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:50:12,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:50:12,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,744 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-03 03:50:12,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:12,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:50:12,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:50:12,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:50:12,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:50:12,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:50:12,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:50:12,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:50:12,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:12" (1/1) ... [2023-12-03 03:50:12,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:12,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:50:12,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:50:12,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8255bf6d-794f-4b82-9d6d-347b866af9e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:50:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:50:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:50:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:50:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:50:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:50:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:50:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:50:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:50:12,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:50:12,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:50:13,146 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:50:13,180 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:50:13,180 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:50:13,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:13 BoogieIcfgContainer [2023-12-03 03:50:13,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:50:13,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:50:13,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:50:13,191 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:50:13,191 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:13" (1/1) ... [2023-12-03 03:50:13,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:50:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-12-03 03:50:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-12-03 03:50:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:13,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:13,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:13,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:13,422 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 03:50:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-12-03 03:50:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-12-03 03:50:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:13,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:13,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:13,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:13,495 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 03:50:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-03 03:50:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-03 03:50:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:13,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:13,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:50:13,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:13,647 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 03:50:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 68 transitions. [2023-12-03 03:50:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-12-03 03:50:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:13,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:13,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:13,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:13,883 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 03:50:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 70 transitions. [2023-12-03 03:50:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-12-03 03:50:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:13,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:13,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:13,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:13,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:13,988 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 03:50:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 72 transitions. [2023-12-03 03:50:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-03 03:50:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:14,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:14,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:50:14,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:14,163 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 03:50:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 79 transitions. [2023-12-03 03:50:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2023-12-03 03:50:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:14,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:14,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:50:14,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:14,536 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 03:50:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 88 transitions. [2023-12-03 03:50:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-03 03:50:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:50:14,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:14,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:14,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:14,888 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 03:50:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 90 transitions. [2023-12-03 03:50:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-12-03 03:50:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:15,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:15,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:15,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:50:15,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:15,158 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 03:50:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:15,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 93 transitions. [2023-12-03 03:50:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-12-03 03:50:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:50:15,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:15,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:15,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:15,632 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 03:50:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 104 transitions. [2023-12-03 03:50:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-12-03 03:50:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:50:16,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:16,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:16,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:16,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:16,294 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 03:50:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 100 states and 123 transitions. [2023-12-03 03:50:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-12-03 03:50:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:50:16,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:16,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:16,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:16,924 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 03:50:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 124 transitions. [2023-12-03 03:50:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-12-03 03:50:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:50:16,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:17,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:17,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:17,062 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 03:50:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 114 states and 144 transitions. [2023-12-03 03:50:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2023-12-03 03:50:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:50:17,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:17,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:17,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:28,295 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 03:50:28,296 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 03:50:38,926 WARN L854 $PredicateComparison]: unable to prove that (not (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 false [2023-12-03 03:50:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 115 states and 148 transitions. [2023-12-03 03:50:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 148 transitions. [2023-12-03 03:50:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:50:38,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:38,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:38,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:49,031 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) is different from true [2023-12-03 03:50:49,032 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 03:52:41,165 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 37 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:53:37,557 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) (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 ((.cse1 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse1 9223372036854775808)) (<= .cse1 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1))))) is different from false [2023-12-03 03:54:59,663 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) (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 ((.cse1 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse1 9223372036854775808)) (<= .cse1 (+ |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 03:55:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 116 states and 151 transitions. [2023-12-03 03:55:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2023-12-03 03:55:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:55:57,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:57,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:57,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:57,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:20,389 WARN L293 SmtUtils]: Spent 21.13s 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 03:57:20,390 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 04:00:55,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 04:01:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 150 transitions. [2023-12-03 04:01:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2023-12-03 04:01:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:01:29,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:29,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:29,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:39,807 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_7 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_56| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_56| v_z_7))) (and (<= |v_ULTIMATE.start_main_~x~0#1_56| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_56| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_7 4294967295) (<= 1 v_z_7)))) is different from true [2023-12-03 04:01:39,808 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 04:03:23,571 WARN L293 SmtUtils]: Spent 10.57s 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 04:03:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 146 transitions. [2023-12-03 04:03:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2023-12-03 04:03:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:03:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:24,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:03:24,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:33,054 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 04:05:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 118 states and 151 transitions. [2023-12-03 04:05:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2023-12-03 04:05:18,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:05:18,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:18,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:18,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:18,994 INFO L285 TraceCheckSpWp]: Computing forward predicates...