./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:39,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:39,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:34:39,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:34:39,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:34:39,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:39,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:39,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:39,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:39,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:39,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:39,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:39,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:34:39,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:34:39,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:34:39,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:39,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:39,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:39,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:39,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:39,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:34:39,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:39,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:39,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:39,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:39,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:39,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:39,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:39,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:39,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:39,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:39,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:34:39,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:34:39,223 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_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a [2024-11-08 22:34:39,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:39,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:39,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:39,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:39,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:39,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 22:34:41,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:41,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:41,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2024-11-08 22:34:41,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/data/c72089800/5a6c463e867940e184f2ccfe1312eecd/FLAG939c415d8 [2024-11-08 22:34:41,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/data/c72089800/5a6c463e867940e184f2ccfe1312eecd [2024-11-08 22:34:41,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:41,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:41,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:41,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:41,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:41,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:41" (1/1) ... [2024-11-08 22:34:41,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c62a580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:41, skipping insertion in model container [2024-11-08 22:34:41,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:41" (1/1) ... [2024-11-08 22:34:41,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:41,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c[535,548] [2024-11-08 22:34:41,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:42,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:42,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c[535,548] [2024-11-08 22:34:42,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:42,041 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:42,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42 WrapperNode [2024-11-08 22:34:42,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:42,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:42,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:42,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:42,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,076 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-08 22:34:42,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:42,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:42,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:42,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:42,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:42,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:42,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:42,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:42,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:42,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:42,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:34:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:34:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:34:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:34:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:34:42,246 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:42,248 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:42,463 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:42,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:42,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:42,494 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:34:42,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:42 BoogieIcfgContainer [2024-11-08 22:34:42,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:42,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:42,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:42,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:42,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-08 22:34:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:34:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:34:42,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:42,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:34:42,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:34:44,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:34:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 22:34:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 22:34:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:34:44,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:34:48,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:34:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-08 22:34:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-08 22:34:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:34:49,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:49,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:34:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-08 22:34:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-08 22:34:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:34:49,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:34:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-08 22:34:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-08 22:34:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:34:49,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:34:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-08 22:34:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-08 22:34:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:34:53,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:53,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:34:53,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:17,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:17,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:35:17,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:35:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:20,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:35:20,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:35:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:24,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:24,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:25,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:25,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:25,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:27,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:27,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:28,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:28,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:28,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:35:28,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:35:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:31,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:32,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:32,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:33,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:35:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-08 22:35:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-08 22:35:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:35:34,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:34,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:34,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:35:53,757 WARN L286 SmtUtils]: Spent 9.54s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:07,981 WARN L286 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:41,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:37:07,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:37:10,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:37:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:14,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:14,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:14,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:14,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:16,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:16,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:16,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:16,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:16,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:16,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:17,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:17,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:17,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:17,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:19,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:19,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:19,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:20,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:20,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:20,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:20,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:22,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:22,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:22,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:23,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:23,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:23,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:23,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:23,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:23,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:23,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:25,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:25,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:25,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:25,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:25,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:25,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:25,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:26,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:26,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:26,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:37:26,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:37:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:32,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:32,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:37:32,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:37:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:34,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:34,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:37:34,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:37:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2024-11-08 22:37:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2024-11-08 22:37:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:37:36,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:36,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:36,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:37:36,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:38:01,311 WARN L286 SmtUtils]: Spent 9.43s on a formula simplification. DAG size of input: 32 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:38:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2024-11-08 22:38:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2024-11-08 22:38:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:38:06,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:06,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 22:38:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2024-11-08 22:38:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2024-11-08 22:38:14,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:38:14,602 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2024-11-08 22:38:14,608 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:38:26,743 WARN L286 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 37 DAG size of output: 15 (called from [L 625] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2024-11-08 22:38:28,304 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 55) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,304 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: true [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L48-1(lines 48 54) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L48-2(lines 35 55) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 46) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 55) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,305 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L49-1(lines 48 54) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L41-1(lines 40 46) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~A~0#1| 4) (* |ULTIMATE.start_main_~r~0#1| 4) (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~v~0#1|) (* 2 |ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |ULTIMATE.start_main_~v~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~u~0#1|))) [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:38:28,306 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: true [2024-11-08 22:38:28,307 INFO L75 FloydHoareUtils]: For program point L13(lines 13 14) no Hoare annotation was computed. [2024-11-08 22:38:28,307 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) [2024-11-08 22:38:28,308 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:38:28,308 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:38:28,308 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: (<= 1 |__VERIFIER_assert_#in~cond|) [2024-11-08 22:38:28,309 INFO L75 FloydHoareUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2024-11-08 22:38:28,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:38:28 ImpRootNode [2024-11-08 22:38:28,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:38:28,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:38:28,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:38:28,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:38:28,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:42" (3/4) ... [2024-11-08 22:38:28,338 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:38:28,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 22:38:28,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 22:38:28,346 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 22:38:28,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 22:38:28,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:38:28,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:38:28,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:38:28,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:38:28,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:38:28,440 INFO L158 Benchmark]: Toolchain (without parser) took 226722.28ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.4MB in the beginning and 121.1MB in the end (delta: -53.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,441 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:28,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.64ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.2MB in the beginning and 155.9MB in the end (delta: -88.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.20ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,442 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 152.9MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:28,442 INFO L158 Benchmark]: RCFGBuilder took 393.42ms. Allocated memory is still 190.8MB. Free memory was 152.9MB in the beginning and 155.8MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,443 INFO L158 Benchmark]: CodeCheck took 225837.67ms. Allocated memory is still 190.8MB. Free memory was 155.8MB in the beginning and 126.3MB in the end (delta: 29.5MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,443 INFO L158 Benchmark]: Witness Printer took 105.49ms. Allocated memory is still 190.8MB. Free memory was 126.3MB in the beginning and 121.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:38:28,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 212.1s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 2650 SdHoareTripleChecker+Valid, 409.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1001 mSDsluCounter, 2048 SdHoareTripleChecker+Invalid, 407.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1046 mSDsCounter, 2340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6034 IncrementalHoareTripleChecker+Invalid, 8391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2340 mSolverCounterUnsat, 1002 mSDtfsCounter, 6034 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10304 GetRequests, 9785 SyntacticMatches, 432 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3443 ImplicationChecksByTransitivity, 178.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 37.0s InterpolantComputationTime, 1344 NumberOfCodeBlocks, 1344 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 14307 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2921 ConjunctsInSsa, 480 ConjunctsInUnsatCore, 34 InterpolantComputations, 3 PerfectInterpolantSequences, 924/1037 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 <= cond) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.64ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.2MB in the beginning and 155.9MB in the end (delta: -88.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.20ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 152.9MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.42ms. Allocated memory is still 190.8MB. Free memory was 152.9MB in the beginning and 155.8MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 225837.67ms. Allocated memory is still 190.8MB. Free memory was 155.8MB in the beginning and 126.3MB in the end (delta: 29.5MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 105.49ms. Allocated memory is still 190.8MB. Free memory was 126.3MB in the beginning and 121.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:38:28,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d221bb5-1a84-47ca-add5-72e7e61db8c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE